SRAM X01 All Downhill Crankset - 170mm, 10/11-Speed, 34t, Direct Mount, DUB Spindle Interface, Black, B1The SRAM X01 DH Crankset is engineered for the most ultimate, most aggressive downhill rides. Featuring DUB technology, it's ready for your most relentless, steep and slightly scary lines. Compatible with 83mm BSA and 104. 5 107 PressFit bottom brackets SRAM X SYNC 2 1x delivers top chain retention in rough terrain DUB technology for strong, stiff, lightweight performance Abrasion guard prevents rub and keeps the crank arm pristine Item Specifications