This shielded end cap allow all M-pulse rear hubs to be used with frames with 12x142mm, 12x148mm, and 12x157mm axle spacing. Fits all M-pulse rear hubs. 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.
