MEROCA Metal Bearings Mountain Bike Road Bike Rear Derailleur Guide Wheel is designed for use with mountain and road bikes. It functions as a guide wheel for smooth chain operation.
Material: aluminum alloy and steel bearing
Diameter: 11T approximately 41mm, 13T approximately 49mm
Specification: compatible with 4/5/6mm shaft guide wheel
Weight: 8.8g for 11T, 13g for 13T
Features: waterproof and dustproof, durable, available in multiple colors, simple installation
Selection: choose the same size as the original guide wheel; smaller sizes may be used, but larger sizes cannot
Compatibility: guide wheel and tension wheel sizes may differ
