We The People Supreme Cassette Hub Color:Black Two hollow chambers with center

Two hollow chambers with center rib and a welded seam significantly increase strength

heat-treated 100% chromoly spindle accepts 6mm Allen

22mm 48-spline heat-treated hollow chromoly spindle

5mm thick dropouts

Durable synthetic leather top panel with textured grip on the rear and nose

We The People Supreme Cassette Hub Color:Black Two hollow chambers with center6061 T6 aluminum hub shell with 3 high quality sealed bearings (2 on the non drive side) and the spring pawl system built into the hub shell instead of the driver. 17mm 4130 chromoly female axle and 12mm chromoly bolts with a 14mm step where they sit in the frame dropouts. Ratchet mechanism is machined into the 1 piece chromoly driver for maximum strength. Driver uses a low resistance Igus bushing instead of bearings. RHD LHD switchable. 36 hole.