Shimano 6503 Bottom Bracket - 70x118.5
 Shimano 6503 Bottom Bracket - 70x118.5 Designed specifically for triple chainring Shimano road cranksets! Ultra rigid and lightweight oversized diameter pipe billet spindle with Octalink splined crankarm mount for increased connection strength and stiffness. Spins smooth on sealed and service-free cartridge bearings. Item no longer available. Click Search to find alternatives... |
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