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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Weight: Ceramitech: 95g | ABEC-7: 100g
GS cages ONLY
R8000-series Ultegra SS & GS cages (mechanical and Di2)
*This product may require spacers to properly space the crank
Our 79mm bottom bracket features a Shimano-optimized design is set to the narrowest stance the crank set allows
Trek BB90 GXP Bearings Bearing Type:Ceramitech Weight: Ceramitech: 95g | ABEC-7:Info Installation Instructions Video Specifications JUST THE FACTS: BB90 is the mountain bike version of Trek's proprietary Direct in frame bottom bracket system. No cups or extra hardware required. With Trek BB90, the bearings press directly into the frame. Our Trek BB90 GXP bearings work with all GXP road bike crank systems from Sram and other manufacturers no matter how many chain rings you run. How do I know if my bike needs a Repair Kit or a
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