Delivery Details: 1pc Guide Wheel + 2 pcs adapter + 1pc Screws
Type:Bicycle Guide Wheel
Specification: 11/12/13/14/15T
Color: Black/Red/Gold
Material: Aluminum Alloy + Ceramic
Improves Pedaling Speed By Reducing Friction: The Ceramic Inner Bearing, Specially Designed For Cycling, Has Minimal Friction That Significantly Improves Performance Thanks To a Much Smoother TransmissionIt Can Effectively Restrain The Horizontal Swing Of The Chain And Make The Speed Change More Accurate.
