Features
Hold the wheel precisely in place while tightening the chain
Unique design means only one 10mm wrench is needed to make chain adjustments
Each block has aligning marks for simple adjustments
One block is threaded to utilize the stock axle
Stainless steel fasteners come with thread lubricant
Made in the USA

Specs
Product Name Chain Adjuster
Type Block
Color/Finish Raw
Material Billet Aluminum
Units Each
Riding Style Off-Road

Package info
Weight 0.3 lbs
Height 1
Length 4.75
Width 6.25

2016-2023 Yamaha YZ450FX
2015-2024 Yamaha YZ250FX
2003-2023 Yamaha WR450F
2003-2008 Yamaha YZ450F
2002-2026 Yamaha YZ125
2002-2024 Yamaha WR250F
2002-2008 Yamaha YZ250F
2000-2026 Yamaha YZ250

Crazy Stickers!!! 

https://www.ebay.com/itm/287173887071