- The Solano is compatible with Centaur carbon/Veloce/Mirage compact Ultra-Torque cranks. CNC machined. The 5th arm is slightly offset for crank fixing. The 5th bolt hole has no recess for a bolt head as this bolts straight into back of crank. **TAX inners: all Compact Ultra/Power-Torque cranks** **TAY outers: Carbon Compact square taper and Record carbon/Chorus carbon/Centaur alloy compact Ultra/Power-Torque cranks** **TAW outers: Centaur carbon/Veloce/Mirage compact Ultra/Power-Torque cranks** * Material : 7075 T6 Aluminium * Outers : 46, 48, 50, 52, 53T * Inners : 34, 36, 38, 39, 42T * PCD : 110 pcd Campagnolo offset arm * Colours : Black * Weight : 74g (48T)