Shimano 105 FC-5800 170mm Left Crank Arm - Lightweight Aluminum, Black 903 ensuring you stay comfortable and

ensuring you stay comfortable and in control no matter the terrain

Materials & Engineering for Superior Performance

Designed specifically for 700c tires (44c width)

health-conscious hydration while reducing plastic waste

- No-magnet AxCad cadence sensor for reliable RPM data

Shimano 105 FC-5800 170mm Left Crank Arm - Lightweight Aluminum, Black 903 ensuring you stay comfortable andEnhance your road bike's performance with the Shimano 105 FC 5800 170mm Left Crank Arm in sleek black. Engineered for perfect durability and seamless integration, this high quality crank arm is designed to optimize power transfer and pedaling efficiency for both competitive riders and serious enthusiasts. Premium Materials & Construction Built with lightweight yet robust aluminum alloy, the Shimano 105 FC 5800 crank arm combines strength with reduced