This preload ring is used to adjust bearing preload on M-pulse front hubs. The kit includes both the ring and the pinch bolt. Fits all M-pulse front hubs. Compatible with both 12mm and 15mm thru-axles. Compatible with both 6-bolt and Centerlock. Not compatible with E-sync, Neo, Neo Ultimate, and 3.30 hubs.
M-pulse hubs offer near instantaneous engagement, a more secure and positive lock when engaged, and very low drag for less rolling resistance.
