Universal bicycle crank arm, 170 mm, left crank arm, available with diamond and square hole for city bikes, folding bikes, mountain bikes and bicycles

【Material】These bicycle crank arms are made of forged 6061 alloy. They are robust, durable, high-strength, hard, and dimensionally stable.

【Size】This crank arm is available in a length of 170 mm and is suitable for 9/16-inch pedals. Please check that this size meets your requirements before purchasing.

Spindle interface: Square taper. Please check that your crank arm has a square taper. Ensure that the holes on the left and right are identical.

【Installation Instructions】This crank arm consists of a left and a right part. When installing, ensure correct alignment. The left part is mounted on the left side. Incorrect installation will prevent proper function. The left crank arm is suitable for mountain bikes, road bikes, folding bikes, cargo bikes, city bikes, and e-bikes. Package includes: 1x left crank arm, crank bolts. Crank arm for city bike, folding bike, mountain bike, electric bike, bicycle with belt drive, racing bike, children's bike and exercise bike.