700C track fixed single speed wheels with 50mm/60mm/88mm/120mm depth A-T01 hub

Within the cycling community, the mechanical and functional differences between fixed-gear (single-speed) bicycles and traditional freewheel bicycles are widely recognized. Fixed-gear bicycles operate on a direct-drive mechanism that mandates continuous pedaling, eliminating the need for any gear-shifting components or adjustments. This track-optimized wheelset configuration eliminates the potential for gear slippage under high-speed pedaling loads, thereby achieving exceptional energy transmission efficiency—ensuring a 1:1 conversion rate between pedal input and forward propulsion. In addition to their technical advantages, fixed-gear bicycles have gained widespread popularity due to their iconic retro design language. Whether deployed for urban commuting, competitive track racing, or leisure riding, they exhibit a distinctive visual appeal that resonates strongly with style-oriented cycling enthusiasts.

• Fixed-gear mode: Wheel rotation syncs perfectly with pedaling, delivering direct, responsive power transfer ideal for skill refinement and speed bursts.
• Single-speed mode: Mount the freewheel on the designated hub side, flip the wheel, and you’re set. Pedals stay stationary during glides, offering a smooth, relaxed ride for commutes and leisure outings. 

➠Feature◆

• Rim depth:  50mm, 60mm, 88mm, 120mm
• Rim external width: 50mm&60mm with 26mm external width, 88mm&120mm with 25mm external width 
• Hub: SA-T01 fixed gear hub 604g
• Number of flywheel teeth: 13T, 15T, 16T, 17T
• Spoke: SA-1423 spoke (can upgrade to Pillar 1420, Sapim leader, Sapim race or Sapim cx-ray)
• Rim finishing: 3K/UD/12K matte or glossy (customized decal acceptable)
• Brake line: with or without brake line (Can choose whether or not, 120mm cannot be selected because there is only one set of molds available）
• If you require a lighter and better configuration, please contact us for an upgrade.

 
➠SA-1423 Spoke◆

Premium performance spokes designed for high-efficiency wheel builds—perfect for road, gravel, or mountain bike wheels

• Strength: Impressive 420-450kgs breaking force for reliable durability under heavy loads
• Weight: Spoke weight is 6.5-7.5g; nipple just 0.3-0.4g—keeps wheels strong 
• Versatile Fit: Spoke length ranges 200-310mm; nipple (14G, 14mm) fits standard wheel builds
• deal for upgrading or building wheels that balance speed, weight, and durability. Pair with your favorite rims/hubs for a customize, high-performance setup

➠SA-T01 track carbon 25/26mm width wheels (18mm inner wide)◆

➠Track wheel rim or disc brake carbon rim 25mm wide◆