The 3 largest cogs are riveted on an aluminum spider. Nickel plated finish. Steel lockring. 12-25, 11-28 and 11-30 are compatible with SS rear derailleur.
The 3 largest cogs are riveted on an aluminum spider. Nickel plated finish. Steel lockring. 12-25, 11-28 and 11-30 are compatible with SS rear derailleur.
CASSETTE SPROCKET, CS-M8000 11-42T, DEORE XT, 11-SPEED, 11-13-15-17-19-21-24-28-32-37-42. Improved driving efficiency and stable shifting.Shave bike weight off without sacrificing durability or reliability. Optimal balance of lightweight and durability