Sugino 68x103mm English Square Taper Cartridge Bottom Bracket. Sugino square taper BB3. Designed by Sugino for use with RD48 cranksets.Shimano-compatible spindle uses UN74 tool for installationCartridge BB set with tapered spindleDesigned by Sugino for use
Sugino 68x103mm English Square Taper Cartridge Bottom Bracket. Sugino square taper BB3. Designed by Sugino for use with RD48 cranksets.
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