Four arm design
- two caainring combinations: 52/36 and 50/34
- one single crank for both chainring combinations
- optimized inner surface on both cranks
- ultra-torque axle
- chainring inner design optimized per each combination
- three crank lengths available: 170, 172,5 aNd 175 mm
- campagnolo® ultra-torque bb cups required
875g
