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Steel chainrings riveted to the spider with forged alloy crankarms
5mm Depth 20mm Material Aluminum Type Tubeless Color (H/S/R) Silver Weight 1160g Wheel Type Rear Hub Type MTC Supadrive (XD) Axle Spacing 12X148mm
New formulation and packaging
The lightest road pedal on the market
Featuring solid pin construction a sturdy Eagle PowerLock and smooth efficient shifting that you can count on every time out
Shimano Ultegra FC-R8100 Left Crank Arm - 170mm Black CheckoutSpec= 35 x 820mm 35mm Rise Blue Steel chainrings riveted to 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 170 Spindle Interface Type Hollowtech II Size 170Mm
