Hollowgram Carbon R 45 Clincher Front Wheel 100x12

Easy to ride, easy to choose. The R-45 rim profile packs the same DRAFT-optimized aerodynamic advantage of all other HollowGram road wheels. Its precision-crafted shape means higher speeds with less effort, making you faster everywhere.

Aero for All

R 45 Bring HollowGram performance and serious value to any road bike. Rise to Speed, for less, with our ready-for-anything R-45 wheelset.

R-SL 50 Rise to Speed anywhere. The R-50’s brilliance is its breadth of ability. With supernaturally balanced performance, you’ll find your fast on any road.

R-SL 64 The most aerodynamic wheelset we’ve ever engineered, the R-64s are made for endless miles of cheating the wind.


- Drag-Reducing Aerodynamic Flow Technology
- 45mm deep, disc brake specific, full carbon rims 
- Rim width: 21mm internal / 32mm external 
- Formula hub, Center Lock disc 
- Grand Forza double-butted spokes 
- Tubeless compatible 
- Shimano and SRAM XDR freehub body versions available 
- 1740g (pair)