Kids Bike Crank Arm Sturdy Crank Leg Left Hand Crank Arm Repair Part 152mm Description: [High Quality]The crank arm is made of premium aluminum alloy, high strength, and deformation resistance, durable for long time use. [Exquisite Workmanship]This bike crank arm adopts excellent manufacturing process with fine polish and great paint, which has stable performance and stylish appearance and can add a unique look to your . [Standard Precision ]Ensure ultimate chain retention, increase service life, and reduces friction and noise. There is no overlap between crank arm and chainring bolt. [Easy to Install]The left hand crank arm is lightweight and small size, and has standard precision cutting of hole, which ensures perfect fit for bike, easy to install and use. [Wide Application]This left hand crank arm is suitable for road bike, mountain bike, folding bike, fixed gear, etc. Pay attention to the shape of the inner hole of the crank. Specifications: Material: Aluminum Alloy Colour: Black Package Includes: 1 Bike Crank Arm