MEIJUN 12T Aluminum Alloy Bike Pulley Wheel Guide Wheel Mountain Bike Ceramic Bearing Rear Pulley

Specification: Item Type: Aluminum Alloy Bicycle Rear Pulley Material: Al7075 Aluminum Alloy + Ceramic Bearing Product Color: Multicolors Mounting Size: 4/5/6mm axis Product Weight: Approx. 15g / 0.5oz Features: Suitable for most rear derailleur, support 7/8/9/10 speed. One thick gear and one thin gear are convenient to fill the gap of the chain, reduce the expansion of the chain to speed up the speed change, and reduce the chance of chain drop.

Package List: 1 x Rear Guide Wheel

2 x Reducer Ring

2 x Guide Wheel Cover