KooingTech Bike Crank Arm Bicycling Cranks 170mm Lightweight Left Arms

KooingTech Bike Crank Arm Bicycling Cranks 170mm Lightweight Left Arms

• Aluminium Alloy: This crank arms for bike is made of aluminum alloy material, the bike crank arm's weighing only 7.1 ounces. The bike crank arm is light and finely polished, high strength but not easy to deform or damage
• Meticulous Cutting: Crank set mountain bike is standard hole cutting, 170mm standard crank length. This is a standard bike crank arm replacement repair part, bike left crank accessory is compatible with many bikes and mountain bikes, road bikes
• Square Inner Shape: The inner shape hole of the crank arm is different. The hole in the middle of some crank arms is lozenge shaped, while our company's bike cranks is square. Please confirm the inner shape of the original left crank arm is square hole before purchasing
• Easy to Install: 170mm Crank arm is easy to install. The bike crank is a horizontal taper, and the crank arm have no overlap. Just remove the original deform or damage bike pedal arm and install this bike crank
• Note: Note the shape of the inside hole of the Bicycle crank arm. Some 170mm aluminium alloy crank arms have a diamond-shaped hole in the middle and some bike crank arm replacements have a square hole in the middle. Before buying, you need to confirm the internal shape of the original bike crank arm