5DEV cranks are engineered for aggressive Trail, Enduro/park and DH style riding Low profile crank arm reduces pedal strike during technical climbs Compatible with SRAM 3-bolt direct mount chainring interface Q Factor: 167mm for 52mm Boost (176mm for Super Boost+) 5 year warranty Weight: 525g TECH SPECS model Trail Enduro length 165mm direct mount/BCD 3-bolt configuration 1x spindle interface SRAM DUB (73mm BB) chainline 52mm material aluminum color black