1.Compatible with :Most mini bike, motorcycle, ATV and more chain sizes, meeting your different needs.

2.Size:this Chain roller tensioner measures approx. 48.6 x 88 mm/ 1.91 x 3.47 inch and the bracket use 3.2mm thick metal.15mm inner diameter mounting bushing .

3.Fuction :Prevent the chain from derailing, excessive wear of the sprocket . If the chain is not properly tensioned,finally the side cover and stator plate will be damaged.

4High Quality: made of quality metal and rubber material with upgraded springs and the thicker steel wire, more sturdy and durable.not easy to break, deform and tarnish.

5.Package includes:1*white Chain roller tensioner and :1*black Chain roller,and each have 1 x roller,1 x bracket, 1 x clip spring, 1 x screw, 1 x washer.
Specification:
Material: metal and rubber
Color: as shown
Quantity: 2 pcs.Package includes:
2 x Chain roller tensioners