GREHUA Chain Adjuster Tensioner with Spring for Razor MX500 MX650 SX500 Dirt Rocket Electric Motocross Bike RSF650 Electric Mini Dirt Sport Street Bike Motorcycle Heavy Duty Parts Black - GR-MX500ZJQ

• FITMENT— Fit for all versions of Razor MX500 MX650 SX500 Dirt Rocket RSF650 electric mini dirt sport bike. QUALITY MATERIAL—Made of high quality metal material, anti-compression deformation and anti-aging, not easy to break,strong and durable, can be used for a long time. PACKAGE INCLUDED—1 x Chain Tensioner,1 x Spring ,1 x Nut. FEATURES—The Chain Tensioner is a very important part of your Razor dirt bikes,long-term use without inspection and adjustment will cause the chain to become loose,it will cause jitter, chain jam or even drop during driving.So need to check and replace your chain adjuster regularly to ensure driving safety. NOTE—Please check as much as possible to the item picture, model and size carefully before purchasing. Or leave us messages for assistance.