Fit for : /Razor MX650 Dirt Rocket Bike/Razor MX500 Dirt Rocket Bike/Razor SX500 Mcgrath Dirt Rocket Bike/ If you can use the chain breaker tool to reduce some master links, It compatible with razor mx350 sx350 rsf650 dirt rocket bike pocket mod electric scooter gas moped Goped 43cc 47cc 49cc 2 stroke super pocket rocket bike Size：25H Drive Chain 132 Links Package Including : 1 x 25H Chain 132 Links, 10 x 25H Master Links, 1 x Chain Breaker Tool Notice: You can use chain breaking tools to reduce or increase master links to meet your needs. Fit for : /Razor MX650 Dirt Rocket Bike/Razor MX500 Dirt Rocket Bike/Razor SX500 Mcgrath Dirt Rocket Bike/