Chain guide with easy installation and adjustment.
For all those who ride their bike off-road, the OneUp Chainguide ISCG05 Top is an essential upgrade. It limits the sideways movement of the chain, prevents it from falling off and extends the life of the Narrow Wide Ring. Easy installation without crank removal and tool-free adjustment make the guide quickly ready for activity. The OneUp Chainguide ISCG05 top is Boost and Oval compatible. Get ready for a worry-free cycling experience with the OneUp Chainguide.