104 BCD chainring: 32T 34T 36T 38T chainring suitable for XC (without extension plates) or AM FR DH off-road bikes with steep slopes, very easy to installLightweight construction: 104 BCD chainring is made of alloy T6, lightweight but sturdy, with positive and negative teeth designed to prevent the chain from falling, and can lose about 1kg of weightWide and narrow tooth design: ensures chain retention, effectively protects the frame from scratches, extends the lifespan and reduces friction and noise. The surface is easy to cleanPractical Gift: The bike deck with quality material can keep the surface smooth, bright color, fade resistant, corrosion resistant, it can be as a homecoming gift, Christmas, Thanksgiving or New Year for your husband, wife, boyfriend, girlfriend, childBCD: 104mm; round shape ; diameter : 32T/135mm, Note: Fits most 104 BCD cranks; please make sure your crank BCD and tooth number are carefully before purchasing* 104BCD Electric Bike Sprocket + Bafang BBS01/02-Mid Drive Motor Adapter* Top quality product.* Made of high quality materials, durable and practical.*Installation position: gable.* For Bafang BBS01/02 motor.Specifications:*Material: Aluminum Alloy.*Optional Colors: Black.Package Contents:1 Chainring (with adapter and accessory screw).