SRAM DUB BB30 Bottom Bracket - BB30 83mm Road Cannondale Ai Black Drop Ends Ceramic compounds provide ultra-low friction

Ceramic compounds provide ultra-low friction for excellent efficiency

flat studs in the center of the tread for good corner grip with sturdy lugs on the tire shoulders

Bottom bracket sold separately Rings 30 Defined Color Black Spindle Interface Type SRAM DUB Chainring BCD Direct Mount SRAM Color Black Designed for ebike Yes Chainline/Hub Compatibility 170/177 Hubs Drivetrain Speeds 12 Number of Chainrings Chain Retaining Single Crank Intended Use Mountain Pedal Spindle 9/16" BB Included No Crank Length (mm) 170 Size 170Mm

running errands

SRAM DUB BB30 Bottom Bracket - BB30 83mm Road Cannondale Ai Black Drop Ends Ceramic compounds provide ultra-low frictionThe 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 spindle to work across every bottom bracket standard Significantly