Sealed bearing cartridge bottom bracket for Messenger series Cranksets.
Axle Length: 103mm
Axle Type: JIS Taper
Cup Thread: 1.37”x24T
Suits: 68mm BSA Frames
Cup Material: Steel
Bottom Bracket Cartridge
Left Hand Cup
* Axle Bolts are NOT included. We Recommend the Sugino Alloy Crank Caps, or Standard Crank Bolts
SG Mighty taper/JIS is not compatible with SG75 Taper
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