Automatic tensioning motorcycle chain, reduced wear and prolong the service life of chains

Fit square rear wing arm bike perfectly, Not fit round tube rear fork

With 4 pcs of longer bolt by free

Please look pictures to confirm the compatibility
Motorcycle universal chain Tensioner, please check the mounting measurement on second picture to confirm the compatibility. There are 4 pcs of 30mm length bolts more in the package. With 30mm long bolt, the tensioner will fit max 55mm thick rear fork(see picture).
Please Note:
This tensioner only fit square rear wing arm fork perfect. NOT fit round tubing rear fork.please put some lithium grease to the shaft once a month to reduce the noise.
Material:
Iron bracket and ABS plastic wheel.
Package Included:
1 x Chain Tensioner with bolts
4 x 30mm length bolts