Ceramic Thread Bottom Bracket for Shimano MTB

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The traditional thread bottom bracket has been made to last long and be creaking free. With the new generation thread ceramic bottom bracket, it features with the lightweight, smoother rotation and advanced seal construction. The large size of 6805 ceramic bearing gives greater durability to the whole system. We offer English threads (BSA 1.37” x 24TPI) for the bike with Shimano 24mm spindle MTB crankset.

Features:
- Brand new designed CNC cups with lighter weight but more strength
- ABEC 7 standard alloy steel bearing races
- Grade 3 Si3N4 ceramic balls - highest precision in the market
- Kluber grease
- Specially designed Nylon bearing retainer for more shock absorbing and less friction
- Heavy duty rubber seals for an extra protection

Weight :
- 88 g for English threads (MTB)

Frame requirements:
- English threads 1.37" x 24TPI, 68mm/73mm width shell (MTB)

Crank compatibility:
- - Shimano MTB 24mm spindle cranks e.g. Shimano XTR, Shimano Deore XT, Shimano SLX, Shimano Deore, Shimano Saint, Shimano Zee etc.