BSD Walla Sprocket bulky It's made from 6061-T6 aluminium

It's made from 6061-T6 aluminium that's both strong and durable with solid bolts throughout keeping the stem

Replacement chromoly driver for the Profile Z Coaster hub

hollow CrMo pins with chromium heat treatment (which are stronger and lighter than regular solid pins) and pre installed half link

Comes complete with Odysseys new Ghost pads

WEIGHT: 344

BSD Walla Sprocket bulky It's made from 6061-T6 aluminiumThe BSD Walla Sprocket is built tough, like a brick outhouse! Hence the all over brick wall graphic. Built from fully 3D CNC machined 7075 T6 alloy with a dual thickness construction that's 8mm thick at the edges and tapers to 6mm at the center to help save weight. A 15 16" center hole as standard can fit on all cranks with the supplied 19mm and 22mm top hat washers. ###section### Product Specs TYPE: Bolt On MATERIAL: Alloy WEIGHT: 90. 7g (3. 2oz)