The SRAM GXP Mountain bike bottom bracket features SRAMs Gutter Seal technology which improves the sealing against the elements while reducing seal drag The custom steel bearings sealed cartridge bearings and tungsten finish offer a highend reliable bottom bracket Key Features Interface EnglishBsa MtbRoad 6873mm EnglishBsa Mtb 83mm BbFrame 510mm Chainline Gxp CrankBb Interface Ceramic Standard Bearing Type 24mm Spindle Diameter Aluminum Cup Material Weight 108g

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