2-piece design. Made from 100% 41-Thermal heat-treated chromoly. 22mm hollow chromoly spindle is welded to the drive side arm for increased stiffness and strength. Proprietary wedge cluster and a single spindle bolt keep it all tight. Integrated sprocket adapter.

NOW INCLUDES 22mm MID BOTTOM BRACKET.

ONLY COMPATIBLE WITH SPROCKETS THAT USE A 15/16" BORE.

Weight: 28.3 oz (without bottom bracket)