"My 2 boys ride YZ250F's. I find the OEM axle blocks really leave a lot to be desired. They pull out of adjustment when tightening the axle nut. Installed these Sunline axle blocks ,,,,and that was the"... (read full reviews)
"They are great quality. fight tight, However they make the chain WAY tighter because they are not square. They fit fine if your chain is a link or 2 longer or stretched. I have to wait for a new chain"... (read full reviews)
"I dont like these as well as other blocks, they dont have the correct mechining for the axle head. The block does not lock the axle head so you can tighten the nut.
The Ride Engineering or outlaw are"... (read full reviews)