BSD Walla Sprocket Terrible One this design eliminates several weak

this design eliminates several weak points found in traditional tubular cranks

variable stack heights between 16-22mm possible

Features: incl

chain breaker

BSD Walla Sprocket Terrible One this design eliminates several weakThe 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)