Shimano Ultegra FC-R8100 Left Crank Arm - 175mm Black CheckoutSpec= 29x2.50 60TPI - 0 B: Head Tube Length

0 B: Head Tube Length (CM) 5 A: Top Tube Length (IN) 11

Hydraulic disc brakes by Promax

Rotor Size (mm) 140Pad Compatibility All Pad CompoundsRotor Type One PieceWeight 100Hub/Disc Compatibility 6-Bolt

Crankset includes a removable 2-Guard aluminum bashguard to protect your chainring on more rugged terrain

Shimano Ultegra FC-R8100 Left Crank Arm - 175mm Black CheckoutSpec= 29x2.50 60TPI - 0 B: Head Tube LengthThe 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 175 Spindle Interface Type Hollowtech II Size 175Mm