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. Includes proprietary wedge cluster, spindle bolt, and sprocket bolt.
*BOTTOM BRACKET NOT INCLUDED.
ONLY COMPATIBLE WITH SPROCKETS THAT USE A 15/16" BORE (most modern sprockets).
Weight: 28.3 oz