Bike Crank Arm 170mm, Bicycle Left Hand Arm, Aluminum Alloy Single Speed Crankset for Mountain Replacement Pedal Horizontal Square Hole, Silver

High Quality: Made of high quality aluminum alloy, this crank arm is and strong for long time use 170mm, Horizontal Square Hole: The center distance between two holes is 170mm without any overlap of crank arm and chain ring Spindle interface type, horizontal square taper; Square shape hole when vertical; 20.5cm in total length Exquisite Workmanship: This crank arm has fine polish and great paint, which is colorfast and stylish Easy to Install: The left hand crank arm has standard precision cutting of hole, which ensures perfect fit to bike, easy to install Applicable: A great replacement of crank arm; Suitable for road bike, mountain bike, folding bike, fixed gear bicycle, etc