It spreads the load the 2 mounting bolts see when you apply the brakes. It's mounted to a not-so-strong sprocket cover. Spreading the load keeps those bolts from busting out of those holes. Alot of ppl take em off though.
It spreads the load the 2 mounting bolts see when you apply the brakes. It's mounted to a not-so-strong sprocket cover. Spreading the load keeps those bolts from busting out of those holes. Alot of ppl take em off though.