is exclusively used by Trek's carbon road bikes. This bottom bracket uses Cross/MTB seals to protect from dirt and wear associated with CX and MTB riding. Kogel believes that quality ceramic bearings set ...
Fit BB89.5/92 Bottom Bracket. Features: Designed for use with Shimano 24mm mountain bike cranks Uses high quality sealed bearings Includes 3 x 2.5mm spacers Specifications: Frame Interface: BB89.5, BB92 Spindle Interface: 24mm ...