700c, 27-Inch & 650c

The punchers wheel: The medium-profile aero rim, partly bladed spokes, and lightweight build make it easy to flow with the pack and launch your punchy attack when the time is right. Even in the harshest weather conditions the ARC 1100 DICUT 48 will lead you rapidly to the line. Combining carbon know-how with SWISS SIDEs leading aero knowledge, this wheel epitomizes lightweight and low drag. The aero hub design, featuring straight pull nail-head spokes and SINC ceramic bearings, make it stiff and smooth rolling — just right to surprise the lead-out train.

Aero meets All-around: The ARC 1100 DICUT 62 is ridden by DT Swiss athletes in long distance triathlons, as well as in flat stages of the Tour de France. Adding to it's versatility is the Aero+ concept: It is the category leader when it comes to low drag numbers but at the same time it is easy to handle in every wind situation. Hubs equipped with SINC ceramic bearings and ultra-lightweight components throughout are there to make you roll smooth and fast, no matter if you're fighting against the wind on your time trial bike or trying to escape the bunch on the final meters to the line.

If going flat out fast is what you want, then this wheelset has all the details covered. DT's top triathletes choose the ARC 1100 DICUT 80 when it's race day. It's developed in partnership with aerodynamics specialists SWISS SIDE and equipped with SINC ceramic bearings to get up to speed and stay there. Supporting the complete system of the rider and bike with minimal drag and unparalleled handling under all conditions, riding fast is guaranteed. Finally the precision wheel build with high and even spoke tension gives you the reliability to dominate all of the 180 km.

The CADEX 65 WheelSystem is for cyclists seeking maximum aero performance and stability without compromising on grams. Featuring a rim design and aero carbon spokes that maximize aerodynamics in shifting winds and to significantly reduce overall weight, the CADEX 65 also employs a low-friction hub that drastically diminishes power loss. - Rim design helps reduce aerodynamic loss and, through a continuous carbon fiber structure, enhances overall durability - Custom-tuned aero carbon spokes offer excellent aerodynamic characteristics, superior stability in shifting winds, and ultra-light weight - Custom-tuned dynamic balanced lacing technology makes a stiffer, more efficient wheel designed for real-world applications - Precision reinforced carbon lay-up places carbon fiber only where needed, creating an exceptionally solid structure without adding any unnecessary grams - CADEX-specific brake pad features a specifically designed channel to optimize water displacement as well as an all-new compound, allowing the pad to conform better to the brake track, resulting in more precise and effortless braking - Low friction hub eliminates bearing friction, reducing potential watt loss

The Reserve 52/63 was designed to be the ultimate wheelset for sprint stages, triathlons, and anywhere with a straight long enough to make a break for it. The 52mm deep front slices through the air while still guaranteeing predictable handling in crosswinds, and the deep, 63mm rear helps you bank watts for those crucial final kilometers. It's the ultimate go fast wheelset, designed with Turbulent Aero technology. - Reserve spent two years mapping different types of wind conditions, and then used this data to replicate real world conditions in the wind tunnel. All this work culminated in the creation of the first wheelset designed with Turbulent Aero technology - Built with DT Swiss Hubs

Reserve returns with the ultimate climbing wheelset; the 34/37 Turbulent Aero. Developed using Turbulent Aero data and technology, the 34/37 TA is designed to help get you up those mountain passes as fast as possible. Comparted to the original 34/37, the revised TA set is 30 grams lighter per rim, and 4 grams faster in the wind tunnel. And in keeping with Reserve workmanlike ways, you’ll find external nipples, standard spokes, no tire limitations with a semi-hooked design and no rider weight limits. - Designed to be your no fuss climbing wheelset. There are no weight limits, no tire limitations, and can be set up tubeless or with tubes - Mixed profile front and rear rims provide maximum stability, lowest weight and optimized aerodynamics - Internally reinforced spoke holes to strengthen the area where the rim sees the most force, around the spoke nipple. This provides for improved strength without adding unnecessary weight - Lifetime warranty supported by a no-fault crash replacement - Built with DT Swiss Hubs

Bringing cutting edge performance to the diverse needs of drop bar off-roaders, Reserve’s 40/44 GR gravel wheels are tailored for the demands of off-road exploration and gravel riding, but with an aero focus. Leveraging Turbulent Aero technology, the 40/44 GR features a 40mm front paired with a 44mm rear, establishing it as the fastest and most stable Reserve gravel wheelset to date. Wider than the previous gravel wheels to allow for tires up to 50c tires, the 40/44 GR plays nicely with today’s slew of big volume gravel tires and a semi-hooked rim makes tubeless set up easier than ever. - Designed to be your no fuss aero gravel riding and racing wheelset - Wider internal width of 27mm - Tubeless and tube compatible - Wide/low front mixed with narrow/tall rear for maximum stability, lowest weight and optimal aerodynamics - Internally reinforced spoke holes to strengthen the area where the rim sees the most force, around the spoke nipple. This provides for improved strength without adding unnecessary weight - Built with DT Swiss Hubs

Developed and tested using Turbulent Aero technology, the 42/49 is designed for everything you do, providing all-day capability with aerodynamic sensibilities. Raced at events as varied as the Paris-Roubaix and the Giro D’Italia, the 42/49 wheels have a lifetime warranty supported by a no-fault crash replacement. And in keeping with Reserve workmanlike ways, you’ll find external nipples, standard spokes, no tire limitations with a semi-hooked design and no rider weight limits. - Wind tunnel tested using Computational Fluid Dynamics (CFD), with the goal of maximizing aerodynamics while enhancing stability - Optimized carbon fiber rim construction allows Reserve to define the exact fiber orientation for each rim model, to maximize stiffness and strength without sacrificing weight - Built with DT Swiss Hubs

The Bora Ultra WTO 35 has the shallowest wind tunnel optimized (WTO) rim profile of the new Ultra wheel family, redesigned to maximize aerodynamics and reduce weight. These wheels are an Italian masterpiece, refined through rigorous testing and proud craftmanship to be a leader in their space. Every external component of the wheel has been redesigned to maximize aerodynamic efficiency and reduce weight, saving you precious energy and generating greater speed from the same rider input. Campagnolo’s CULT ceramic bearings spin effortlessly, and the 2-Way Fit rims are ready for immediate tubeless use without rim tape. - 35mm deep, UD high-strength carbon rim construction with C-LUX finish, 2-Way Fit system and 23mm internal width can accommodate wider tires, including tubeless - Bora ULTRA disc brake hubs and CULT ceramic bearings, 21 Aero Elliptical, straight-pull double-butted spokes - Possess pure control with G3 lacing, designed to ensure maximum stiffness and cornering precision – and stunning, premium aesthetics - Recommended tire size: 700c, 28 - 35mm - Includes Aero Mo-Mag nipple maintenance kit, Tubeless valve, AFS lockring, Campagnolo wheel bag, Campagnolo accessories bag and tire levers

More than iconic, the Bora Ultra WTO 45 wheels find the right balance of speed, agility and stability, making them the perfect choice for all-round riders. These wheels are an Italian masterpiece, refined through rigorous testing and proud craftmanship to be a leader in their space. Now even lighter, thanks in part to its Hand Made Ultra-Light Carbon (HULC) construction, the Bora Ultra WTO 45 has slimmer Aero Elliptical spokes and hidden nipples to help slice through the air. Campagnolo’s CULT ceramic bearings spin effortlessly, and the 2-Way Fit rims are ready for immediate tubeless use without rim tape. - 45mm deep, UD high-strength carbon rim construction with C-LUX finish, 2-Way Fit system and 23mm internal width can accommodate wider tires, including tubeless - Bora ULTRA disc brake hubs and CULT ceramic bearings, 21 Aero Elliptical, straight-pull double-butted spokes - Possess pure control with G3 lacing, designed to ensure maximum stiffness and cornering precision – and stunning, premium aesthetics - Recommended tire size: 700c, 28 - 35mm - Includes Aero Mo-Mag nipple maintenance kit, Tubeless valve, AFS lockring, Campagnolo wheel bag, Campagnolo accessories bag and tire levers

At only 33mm deep, the Campagnolo Bora Ultra WTO 33 has the shallowest wind tunnel optimized (WTO) rim profile of the Ultra family. Every external component of the wheel has been redesigned to maximize aerodynamic efficiency and reduce weight, saving precious energy, and generating greater speed from the same rider input. - The Bora Ultra WTO 33’s lower weight helps riders to reach heights even faster, change pace instantly, and descend with great speed and confidence - Rims are crafted from Campagnolo’s Hand Made Ultra-Light Carbon (H.U.L.C.) - Rims feature Campagnolo’s mirror-like Luxury (C-LUX) finish - Undrilled 2-Way Fit rim beds allow for perfect tubeless compatibility without rim tape - Oversized 36 tooth ratchet freehub is fast to engage and very durable, plus it accepts N3W, XDR, HG freehub bodies - Integrated radial spoke seats ensure perfect alignment

Various road surfaces or weather conditions cannot deter you: the endurance-specific ERC 1100 wheels enable you to ride fast and stable. With AERO+ optimized rim profiles, wider and more comfortable tires are better supported. Ultra low-friction SINC Ceramic bearings inside DICUT Aero hubs and the latest generation of DT Swiss aero spokes are technical highlights inside the wheels. The proven Ratchet EXP freehub system with its 36T Ratchets transfers each pedal stroke precisely into forward propulsion and speed from the start right to the finish of your ride. - Aero-optimized wheels with Carbon rim supports your ride on different road profiles. Whether you enjoy an easier longer climb or the following smooth descend, riding will feel almost effortless

The latest generation of ARC 1100 DiCut wheels were developed in cooperation with Swiss Side, a leading expert in aerodynamic optimization. Consequently, the new AERO+ rim profile minimizes both aero drag and steering moment to improve its aerodynamic and controlling in even strong cross wind. Thus, it makes it easier for the rider to keep the aero wheel under control while taking advantage of the forward-pushing sailing effect. The wheel setup is completed by the new DT Swiss aero spokes in combination with the sleek 180 DiCut hub including ultra-light running SINC ceramic bearings. - 180 DiCut aero hub with 36t Ratchet EXP system and SINC ceramic bearings provide an extremely tough and wear- and corrosion-resistant ceramic material - Carbon, hooked and crotchet tubeless compatible rim - ARC 1100 DiCut 38: The ultimate climbing wheel combining light weight and aero-optimization for a swift rise to the top - DT Aerolite II and Aerocomp II spokes with Pro Lock alloy nipples

The GRC 1100 DICUT gravel wheels are designed for multiple situations, with two rim height options available to meet your needs. Whether you’re on the hunt for a win in a fast-paced gravel race with the 50mm high rim, or looking to unhook yourself from your limitations on an extreme off-road adventure with the 30mm high rim, these wheels are sure to catch the eye, while saving weight with improved aero-optimization. - Built using a state-of-the-art carbon manufacturing process, resulting in lightweight carbon rims straight out of the mold, without the need for a finishing coat - Assembled with the lightweight 180 DICUT hub with ceramic bearings and DT Aerolite spokes, providing fast acceleration and low rolling resistance - Intended use = Gravel/Off-road - Ratchet EXP freehub drive system - Includes tubeless valve, tape and wheel bag - Tubeless ready, 24mm wide carbon rim with 30mm high profile rim

The GRC 1100 DICUT gravel wheels are designed for multiple situations, with two rim height options available to meet your needs. Whether you’re on the hunt for a win in a fast-paced gravel race with the 50mm high rim, or looking to unhook yourself from your limitations on an extreme off-road adventure with the 30mm high rim, these wheels are sure to catch the eye, while saving weight with improved aero-optimization. - Built using a state-of-the-art carbon manufacturing process, resulting in lightweight carbon rims straight out of the mold, without the need for a finishing coat - Assembled with the lightweight 180 DICUT hub with ceramic bearings and DT Aerolite spokes, providing fast acceleration and low rolling resistance - Intended use = Gravel/Off-road - Ratchet EXP freehub drive system - Includes tubeless valve, tape and wheel bag - Tubeless ready, 24mm wide carbon rim with 50mm high profile rim

Rims: WTB CZR i23 Carbon 700C - ETRTO 622-23 - Inner width: 23mm - Torayca T700 UD carbon fiber for stiffness and compliance - Asymetric and angled spoke hole drilling - Externally reinforced spoke bed - Drilled for Presta valve - TCS 2.0 Tubeless System compatible - 28 holes Front hub: Shimano HB-RS770 Ultegra series - 12x100mm E-THRU (Axle not included) - Center Lock (6-Bolt adapter included) - Polished angular contact bearings - Contact sealed hub Rear hub: Shimano FH-RS770 Ultegra series - 12x142mm E-THRU (Axle not included) - Center Lock (6-Bolt adapter included) - Polished angular contact bearings - Contact sealed hub and freehub body - Compatible with 11 speed Road (10 speed compatibility requires 1.85mm spacer, not included) Sold in Pair, including: - Tubeless Valve (x2) Assembled in North America by experienced wheelbuilders with Sapim Race Butted Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples

A hookless bead and precision reinforced carbon layup create an exceptionally strong structure with best-in-class weight. A 25mm inner rim width produces a more uniform tire shape and better handling. The innovative 60-tooth ratchet freehub and ultrasmooth ceramic bearings deliver a responsive feel, while high-tensile-strength carbon spokes and Dynamic Balanced Lacing boost lateral stiffness. It all adds up to class-leading speed, efficiency and durability for superior all-road performance.

Reserve wheels are built on the highest quality carbon rims on the market. Everything from the thickness of the rim beads to the external spoke hole reinforcements comes purely from experience of knowing what riders need at every level-from international racing to your local trails. - Built with standard high-quality components including j-bend spokes (28 count) and Sapim mechanically locking nipples - Ships with rim tape installed, tubeless-ready valves, and cards identifying the Santa Cruz builder of each of your wheels - Backed by a lifetime warranty - Built with DT Swiss Hubs

While DT's Hybrid Endurance wheels are made to deliver maximum speed on tarmac, the Hybrid Gravel wheels will deliver maximum fun on gravel roads. The HGC 1400 Spline is the exclusive answer for all high-end E-gravel bikes that set the benchmark in a new cycling segment. With a select mix of high-end E-specific components, this wheel has the pedigree to be the uncontested King of E-gravel. - 3 cross spoke pattern, DT AeroComp Hybrid straight pull spokes, DT Pro Lock hidden aluminum spoke nipples

DT Swiss has engineered the ultimate aerodynamic combination of wheel and tire interface in collaboration with Continental, with a joint tire: the Aero 111 Wheel and tire combinations pre-chosen and designed to be as aerodynamically efficient as possible. Tire Features: - Aero wheels have Aero 111 26mm front tire and GP 5000 STR 28mm rear tire (Front & rear sold separately) - Aero 111 tires feature 48 `vortex generators` which greatly reduce drag across the entire wheel system, freeing up additional wattage - Continental`s Black Chili compound and Vectran Puncture-resistant technology Wheel Features: - Latest generation of ARC wheels sees increase in width to 22mm internal for modern, wider tire support - 55mm tall profile is the shortest of 3rd gen ARC wheel, offering an aerodynamically optimized, yet agile and responsive wheel - New redesigned rim shape offers lower drag and smoother airflow between tire and rim interface - The ARC1400 features a new 240 Dicut Aero hub as well as DT`s classic Aero Comp spokes

DT Swiss has engineered the ultimate aerodynamic combination of wheel and tire interface in collaboration with Continental with a joint tire: the Aero 111 Wheel and tire combinations pre-chosen and designed to be as aerodynamically efficient as possible Tire Features: - Aero wheels have Aero 111 26mm front tire and GP 5000 STR 28mm rear tire (Front & rear sold separately) - Aero 111 tires feature 48 `vortex generators` which greatly reduce drag across the entire wheel system, freeing up additional wattage - Continental`s Black Chili compound and Vectran Puncture-resistant technology Wheel Features: - The latest generation of ARC 1400 wheels sees an increase in rim width and further aerodynamic optimization - Features 240 series Dicut hubs paired with Aero Comp II T-head spokes and Pro Lock Hidden nipples - 65mm tall profile offers a balance of aerodynamics and agility for road and endurance riding

As the most versatile wheel in the line, the SES 3.4 is the go-to for just about any terrain or surface conditions. The high-volume design of the rim and Wide Hookless Bead technology not only makes the SES 3.4 a modern road wheel that is raced at the World Tour level, but it’s also a favorite for mixed surface events due to its feature benefits that clearly separate it from other wheels in the same depth category. Pinch-flat resistance, low weight, and an aero profile optimized around high-volume tires are key features of the SES 3.4, making it the most adept all-around wheel. - Full carbon rim is optimized to further improve tubeless tire and rim reliability with a hookless bead design that allows for the precise rim dimensions required to achieve the best tubeless performance - Wide hookless bead deign greatly reduces the likelihood of pinch-flatting by providing a blunt surface upon which to bottom out the tire, dissipating energy across a larger surface area and preventing tire damage - Innerdrive mechanism features oversized 42mm steel ratchets positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagement - Interchangeable ratchets (sold separately) allow riders to easily tune their rides for their personal performance needs. Whether it be maximizing efficiency, response, or reliability - Premium Straight Pull hubs utilize equal spoke lengths with an anti-twist spoke design for improved wheel strength and performance, a lightweight alloy hubshell, stainless steel sealed bearings and easy to service axle system - Molded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel - 42mm rear depth and 25mm internal rim width supports minimum tire sizes of 27mm, with an Aero Optimized design around 29mm tires. For use with Tubeless tires only - Rims are pre-taped and tubeless ready

The SES 2.3 is purpose-built for the mountains. Ultra-light, respectfully aerodynamic, and optimized for tubeless tires, the SES 2.3 raises the bar for performance through hilly and mountainous terrain. There’s no better option for the uncompromising climber who values performance up and down the mountain than the new SES 2.3. At sub-1200 grams, they’re in a league of their own and deliver a real-world advantage in hilly terrain through their lightweight design and confidence-inspiring handling. - Full carbon rim features continuously running fibers throughout the rim, tapering laminates, and removing excess material, the SES 2.3 achieves an impressive feat in weight reduction and composites engineering. Additionally, layering fibers in specific orientations achieves zone-specific performance requirements like impact toughness, stiffness, and tire retention - Wide hookless bead deign greatly reduces the likelihood of pinch-flatting by providing a blunt surface upon which to bottom out the tire, dissipating energy across a larger surface area and preventing tire damage - Innerdrive mechanism features oversized 42mm steel ratchets positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagement - Interchangeable ratchets (sold separately) allow riders to easily tune their rides for their personal performance needs. Whether it be maximizing efficiency, response, or reliability - Premium Straight Pull hubs utilize equal spoke lengths with an anti-twist spoke design for improved wheel strength and performance, a lightweight alloy hubshell, stainless steel sealed bearings and easy to service axle system - Molded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel

When speed across most any terrain is priority number one, look no further than the SES 4.5. Originally designed for the cobbles and crosswinds of Paris-Roubaix to provide an aero benefit with high volume tires, the SES 4.5 was the first of its kind and is now re-designed to deliver more speed in a lighter package. The SES 4.5 has been re-engineered to reduce weight, increase aero efficiency and further expand its capabilities when the going gets fast. Whether you’re pinning on the number for race day or seeking the fastest road wheelset across undulating terrain, the SES 4.5 is in the sweet spot for speed. - Full carbon rim is optimized to further improve tubeless tire and rim reliability with a hookless bead design that allows for the precise rim dimensions required to achieve the best tubeless performance - Wide hookless bead deign greatly reduces the likelihood of pinch-flatting by providing a blunt surface upon which to bottom out the tire, dissipating energy across a larger surface area and preventing tire damage - Innerdrive mechanism features oversized 42mm steel ratchets positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagement - Interchangeable ratchets (sold separately) allow riders to easily tune their rides for their personal performance needs. Whether it be maximizing efficiency, response, or reliability - Premium Straight Pull hubs utilize equal spoke lengths with an anti-twist spoke design for improved wheel strength and performance, a lightweight alloy hubshell, stainless steel sealed bearings and easy to service axle system - Molded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel - 56mm rear depth and 25mm internal rim width supports minimum tire sizes of 27mm, with an Aero Optimized design around 27 - 28mm tires. For use with Tubeless tires only - Rims are pre-taped and tubeless ready

Striking the ultimate balance between weight savings, stability, aerodynamics, and rolling efficiency, the SES 6.7 defines Real-World Fast and raises the bar for modern aero wheel performance. Grams of rim, versus grams of drag, make the SES 6.7 the outright fastest wheel on the road. - Full carbon rim is optimized to further improve tubeless tire and rim reliability with a hookless bead design that allows for the precise rim dimensions required to achieve the best tubeless performance - Wide hookless bead deign greatly reduces the likelihood of pinch-flatting by providing a blunt surface upon which to bottom out the tire, dissipating energy across a larger surface area and preventing tire damage - Innerdrive mechanism features oversized 42mm steel ratchets positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagement - Interchangeable ratchets (sold separately) allow riders to easily tune their rides for their personal performance needs. Whether it be maximizing efficiency, response, or reliability - Premium Straight Pull hubs utilize equal spoke lengths with an anti-twist spoke design for improved wheel strength and performance, a lightweight alloy hubshell, stainless steel sealed bearings and easy to service axle system - Molded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel - 67mm rear depth and 23mm internal rim width supports minimum tire sizes of 25mm, with an Aero Optimized design around 27 - 28mm tires. For use with Tubeless tires only - Rims are pre-taped and tubeless ready - Due to the refined and lightweight construction of the SES 6.7 and its sidewalls, this wheel is not suitable for off-road/gravel applications

The ARC 1400 DICUT is made to go flat out fast at full speed. Developed in partnership with the aerodynamic specialists from Swiss Side, the ARC 1400 DICUT is available in rim brake version in different rim heights. The Aero wheels support the complete system of rider and bike with minimal drag and superior aero stability in various conditions. The rim of the aerodynamically optimized wheel is identical to that of the ARC 1100 DICUT series. The wheelset is upgraded with a 240 DICUT Aero hub incorporating the Ratchet EXP technology for precise engagement. In a nutshell, perfectly equipped for races against the clock. - Carbon, Hooked / Crotchet tubeless compatible rim; the shape offers high aero stability and minimal aero drag for maximum speed - 240 Dicut Aero Hub with redesigned flanges, featuring Ratchet EXP freehub technology with precise and reliable engagement by its 36T Ratchets - DT aero comp t-head spokes

Introducing the Gravel racing GRC 1400. With a holistic approach of engineering DT re-thought the characteristics of a modern benchmark setting gravel wheel set. Aerodynamic efficiency, ideal support of wide gravel tires leading to comfort and traction off-road as well as remarkable durability are only some of the key features that make this wheel set the perfect companion for your next gravel adventure. - 42mm aero-optimized rim depth for 35mm wide gravel tires - 36T RatchetSystem technology

The ARC 1400 DiCut delivers its full potential whenever your race turns nasty. In gusty wind conditions and on hilly, twisting courses, these wheels give you a decisive advantage, allowing you to stay in the aero position and save valuable power. Small and light riders will love the wheels' superior aero stability, making them a perfect choice for almost every terrain. - AERO+ optimized rims by Swiss Side - Stainless steel bearings

The ARC 1400 DICUT is made to go flat out fast at full speed. Developed in partnership with the aerodynamic specialists from Swiss Side, the ARC 1400 DICUT is available in rim brake version in different rim heights. The Aero wheels support the complete system of rider and bike with minimal drag and superior aero stability in various conditions. The rim of the aerodynamically optimized wheel is identical to that of the ARC 1100 DICUT series. The wheelset is upgraded with a 240 DICUT Aero hub incorporating the Ratchet EXP technology for precise engagement. In a nutshell, perfectly equipped for races against the clock. - Carbon, Hooked / Crotchet tubeless compatible rim; the shape offers high aero stability and minimal aero drag for maximum speed - 240 Dicut Aero Hub with redesigned flanges, featuring Ratchet EXP freehub technology with precise and reliable engagement by its 36T Ratchets - DT aero comp t-head spokes

The ARC 1400 DiCut delivers its full potential whenever your race turns nasty. In gusty wind conditions and on hilly, twisting courses, these wheels give you a decisive advantage, allowing you to stay in the aero position and save valuable power. Small and light riders will love the wheels' superior aero stability, making them a perfect choice for almost every terrain. - AERO+ optimized rims by Swiss Side - Stainless steel bearings