Adjustable Chain Tensioner Roller for Coleman RB100 105cc Mini Bike

Description

Our replacement chain tensioner roller for the Coleman RB100 105cc mini bike maintains the correct tension for a smooth ride. It will also work on the Baja Doodlebug and other mini bike models from brands including Mega Moto and Motovox.
This chain tensioner has a 43.7 mm diameter (edge-to-edge when facing the bearing) and 33.35 mm deep (front to back when facing the bearing). The 608ZZ bearing has an inner diameter of 8 mm.

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