BSD Walla Sprocket Terrible One whilst the machined slots and

whilst the machined slots and holes combined with liquid heat-treatment keep it nice and light

this design eliminates several weak points found in traditional tubular cranks

classic comfortable geometry

Complete Cortex Cassette Wheel from Eclat

if you're looking for a clean and refined topload stem that won't let you down

BSD Walla Sprocket Terrible One whilst the machined slots andThe 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)