Campagnolo Record Ultra Torque Carbon Crank Arm - Left - 172.5mm Decals The E-Chainguard Nut attaches directly

The E-Chainguard Nut attaches directly to your Bosch motor to deflect any physical threats to your chain and chainring while also preventing chain drops

Built in bearing race for internal headset

This is produced by reducing the reach (80mm) and introducing a still shallower drop (130mm)

CBN (cubic boron nitride) coated cup and cone surfaces

Shimano M171 SIS triple chainset delivers precise and smooth shifting performance

Campagnolo Record Ultra Torque Carbon Crank Arm - Left - 172.5mm Decals The E-Chainguard Nut attaches directlyCampagnolo Record Ultra Torque Carbon Crank Arm Left 172. 5mm The use of ceramic CULT ceramic bearings leads to obtaining the smooth ride that the Campagnolo brand is known for. The innovative design of the outer chainring ensures faster, quieter derailing owing to the contoured pin. The symmetrical design of the inner chainring teeth allows improved stability with chain crossovers. Model: Record 11 speed Crank arm length: 172. 5mm BB type: Campagnolo