Chain Adjuster Block kit Not just for enduro, these are for anyone who wants hassle-free chain adjustment, and tire removal/installation. The blocks are carved from billet aluminum and laser etched so that you can actually “see” your adjustment. They stay in position when you remove the wheel, and there is no secondary locking nut for chain adjustment. The ZTR kit comes with an axle pointer and handle to make wheel removal and installation a breeze. Aluminum cylinder provides a soft-faced set tool for installing the axle pointer.