SRAM DUB BB30 Bottom Bracket - BB30 83mm MTB Cannondale Ai Black MFPN=20139 9mm clamp will fit frames

9mm clamp will fit frames with a seat tube measuring from 34

Perfect for demanding applications such as ebike or downhill riding

The shaft is longer than the skate model and is equipped with a front ratchet wheel allowing for a classic stride

Wolf Tooth headsets are machined in the USA with lightweight

SRAM DUB BB30 Bottom Bracket - BB30 83mm MTB Cannondale Ai Black MFPN=20139 9mm clamp will fit framesSRAM DUB BB30 Bottom Bracket BB30 83mm MTB Cannondale Ai Black. The SRAM DUB bottom bracket series has a simple job to connect crankarms and protect the smooth long lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard simplifying crankarm compatibility. Gutter Seal Technology drastically improves sealing against the elements Sealed cartridge bearings One oversized