Shimano Ultegra FC-R8100 Left Crank Arm - 165mm Black MFPN=80141 Written by one of the

Written by one of the world’s leading authorities on bicycle repair and maintenance

Easy installation and high durability

4 ISO 622 Bead Wire Tread/Sidewall Color Bk/Blk PSI 30 Weight (Grams) TPI 60 Durometer Features Reflective Sidewall

Weight: 380g

Shimano Ultegra FC-R8100 Left Crank Arm - 165mm Black MFPN=80141 Written by one of theThe Shimano Ultegra FC R8100 left crank arm features HOLLOWGLIDE structure that cuts weight yet maintains strength for better power transfer and quicker more precise front shifting. Crafted with anodized aluminum for for high strength and light weight Color Black Length 165 Spindle Interface Type Hollowtech II Size 165Mm