DUB Boost 55mm Chainline Non-Threaded Bottom Bracket cassette & freewheel tools Low profile design for comfort

Low profile design for comfort off of the bike or when worn with jeans

The motor’s responsive torque curve delivers power perfectly in-tune with your normal riding cadence and leaves no resistance when riding unassisted

The Turbo Kenevo Super Light’s 170mm of Enduro-inspired travel is supple on small bumps

Open-back design increases breathability

Intelligent keyway system ensures minimal play

DUB Boost 55mm Chainline Non-Threaded Bottom Bracket cassette & freewheel tools Low profile design for comfortThe 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. Designed for use with SRAM Boost cranksets with 55mm chainlines Gutter Seal Technology drastically improves sealing against the elements Sealed cartridge bearings One oversized