Shimano Ultegra SM-Bottom Bracket
The Shimano Ultegra SM-Bottom Bracket has sealed cartridge bearings in a durable composite center sleeve. Aluminum cups with English threads cap off this bottom bracket, it is Compatible with FC-6700 and FC-6600 series cranks.
Aluminum cups Composite center sleeve Sealed cartridge bearings Compatible with FC-6700 and FC-6600 series cranks 68mm English threads HT2 Alloy 91g
- Female Male
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