The Salt Plus Trident Sprocket is the perfect upgrade for for those beginner completes, it won't break the bank but gives you the feel for aftermarket parts. Fully CNC machined from 6061-T6 alloy for strength without adding unneseccary amounts of weight, with 19mm & 22mm adapters allowing it to be run on all cranks. section Product Specs TYPE: Bolt On
Material: Alloy WEIGHT: 68g (2.42oz)