SRAM DUB English Bottom Bracket - English/BSA, 68/73mm MTB Boost 55mm Chainline Black Accessories_IRONMAN A step through frame features

A step through frame features a lower top tube

The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting

Shimano PTFE Road Brake Cable & Housing Sets

Fazua® Evation 1

10 degree rotation angle setting range for I-SPEC EV shifting lever (Sold separately)

SRAM DUB English Bottom Bracket - English/BSA, 68/73mm MTB Boost 55mm Chainline Black Accessories_IRONMAN A step through frame featuresThe 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