Shimano XTR BB93 Hollowtech II Bottom Bracket Option:English Thread A remote inflation hose takes

A remote inflation hose takes unwanted stress off the tire valve

on dry days

Wider edge-to-edge contact area provides solid pedal – shoe interface and transmits power efficiently

Long extractable filler hose with locking presta/schrader chuck

which means more consistent chain riveting and enhanced overall strength

Shimano XTR BB93 Hollowtech II Bottom Bracket Option:English Thread A remote inflation hose takesShimano XTR BB93 Hollowtech II Bottom Bracket Shimano XTR Bottom Bracket is Hollowtech II and includes cups, bearings, and sleeve. Precision bottom bracket bearings are spaced further apart, and are therefore more stable and longer lasting than conventional bottom brackets.