Shimano Ultegra FC-R8100 Left Crank Arm - 175mm Black MFPN=RHP532N148XD Torx: T10 T25 T30

Torx: T10 T25 T30

With UltraTrac mode

5" Offset 38 External Adjustments Low Speed Compression Damping External Adjustments Rebound Damping Color Diffusion Black Lockout Switch Crown Negative Spring Air S

3D Forged EA90 Alloy

Shimano Ultegra FC-R8100 Left Crank Arm - 175mm Black MFPN=RHP532N148XD Torx: T10 T25 T30Shimano Ultegra FC R8100 Left Crank Arm 175mm Black. The 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 TECH SPECS Color Black Length 175 Spindle Interface Type Hollowtech II