Bike Crankset Multiuse Flywheel Shaft for Folding Bike Road Bike Accessories M10 Handrail Bolts.The crank arm is made of quality aluminium alloy material, high strength, deformation resistance, durable for long time use.This bike crank arms adopt excellent manufacturing process with fine polish and great paint, which has stable performance and stylish appearance and can add a unique look to your .The crank arm is great parts, ensure ultimate chain retention, increase service life, and reduces friction and noise.The bike crank arms are lightweight and compact size, which ensures perfect fit for bike, easy to install and use.This crank arm set is suitable for exercise bike, mountain bike, folding bike.Exercise Bike Adjustable Handle Quick Knob. Exercise Bike Crank Arm Aluminum Alloy. M10 M16 Quick Release Bike Handrail Bolts. Bike Crank Leg Replacement Sturdy Crank Arms. Bicycles Parts Crankarm Parts Accessories. [Fine Workmanship]This bike crank arms adopt excellent manufacturing process with fine polish and great paint, which has stable performance and stylish appearance and can add a unique look to your . [Function]The crank arm is great parts, ensure ultimate chain retention, increase service life, and reduces friction and noise. [Wide Application]This crank arm set is suitable for exercise bike, mountain bike, folding bike. [Easy to Install]The bike crank arms are lightweight and compact size, which ensures perfect fit for bike, easy to install and use. [Material]The crank arm is made of quality aluminium alloy material, high strength, deformation resistance, durable for long time use.