The Moose Racing is a quality chain roller with 2 sealed ball bearings. The stock roller has no bearings. It's just a plastic wheel riding on a bolt. Ball bearing chain rollers are smoother, quieter and last longer.
The Moose Racing is a quality chain roller with 2 sealed ball bearings. The stock roller has no bearings. It's just a plastic wheel riding on a bolt. Ball bearing chain rollers are smoother, quieter and last longer.