DUB™ technology delivers the lightest, stiffest, strongest crankset available All-new SRAM CARBON TUNED™ crank technology provides extreme stiffness and light weight X-SYNC™2 chain ring provides significantly quieter performance, with better mud clearing and extraordinary durability SRAM Model ID: FC-XX-1-C2 Attributes BB Inclusion No BCD Direct Mount SRAM 3 Bolt Crank Spindle Diameter 28.99mm Crankset Material Carbon Crankset Weight 422g Interface DUB Pedals Thread 9/16'' Show more