Centaur Silver 11x Front Mech .
Many top features are packed into the Centaur crankset. The four-arm design allows for independent bolt circles, offering greater stiffness and structural integrity, and also provides additional versatility, as a single crankset is compatible with both standard compact and semi-compact chainrings. Add these features to the first aluminium crankset with an ULTRA-TORQUE axle and the result is a component that is very similar to the top-of-the range part.Key Features: Four arm design,Two chainring 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 .