Bolt Chain Adjuster Blocks Yamaha Black

These innovative billet aluminum chain adjuster blocks hold your motorcycle's wheel precisely in place while you tighten your chain. bolt motorcycle hardware's unique design features an integrated bolt slot so your blocks stay in position even when the axle is removed. anodized 6061 aluminum axle blocks. permanently laser etched aligning marks. aligning marks are placed so that only one mark engages at a time, making aligning a snap. fasteners have anti-seize compound pre-applied to the threads. making your chain adjustments requires only one 12 mm wrench. hardware meets or exceeds o.e.m. specs. proudly made in the u.s.a. customer satisfaction is guaranteed. sold as a set. note: image is for reference only; actual product may vary according to fitment.