Born and deeply rooted in the fat-tire community, we continue to stay ahead of progressive mountain bike component trends and technologies. We have the passion and resources to create components that are capable of satiating the most fanatical gram-counting climbers to the most fearless cliff-hucking gravity junkies. Material Axle CrMo H/T. Axle Bore Thread M15. Material L&R Cups CNC-Machined Aluminum. Bearings 3 x sealed cartridge bearings. Tech Feature super stiff GigaPipe spindlesuper lite alloy construction. BB-Cups Thread Size BC-1.37? or ITALIAN. Weight (113MM) 240g.