The BSD TBT Sprocket is a real throwback to the glory days, inspired by classic designs but built for modern riding. Super tough 7075-T6 aluminium construction that's fully CNC machined with a dual thickness that's 8mm at the edges & tapers down to 6mm at the center to save weight. The 24mm center hole can run on any cranks thanks to the 19mm & 22m top hat washers that are included with the TBT Sprocket. section Product Specs TYPE: Bolt On
Material: Alloy WEIGHT: 70g (2.52oz)