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The BB90 (road) and BB95 (mountain) are Trek's own internal bottom bracket. The bearings press directly into the frame and can be configured to run Shimano (24 mm HT2), SRAM Truvativ (24/22 mm GXP) or FSA (24.1 mm MegaExo) cranksets. Browse bearing kits below or select your cranks at left to view suitable bearing kits.
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From: US$2.38
To: US$49.93