WEIYINGSI Heavy Duty Chain Roller Tensioner w/Spring for 110cc 125cc 140cc Pit Pro 4 Wheeler Dirt Bike;

This listing is a brand new Chain Roller Tensioner Kit (everything shown in picture). It is necessary for all serious riders. It protects swing arm & helps guide chain correctly.

It ensures proper chain tension and alignment. It prevents the chain derailment, excess wearing of the sprocket and prolongs chain's life. If you don't have the proper chain tension, the chain will get lose or break. Eventually, it will damage the side cover and the stator plate.

Features:


Heavy duty chain roller tensioner with upgraded spring, thicker wire and longer travel

The bracket use 3.2mm thick metal, stronger built than other tensioners.

The kit comes with an extra roller as spare parts.

Seamless steel bushing brings smooth rotoring and longer life.

14mm inner diameter mounting bushing size, please see photos for detail measurements.

Some models may use different parts. Please check pictures above for details and specifications before you buy.

Specifications:

Length: 64mm
Installation Hole Inner Diameter: 14mm
Roller Inner Diameter: 12.2mm
Roller Inner Width: 17.9mm
Roller Material: Nylon Polyurethane

Please look at the picture to make sure the measurements.

Package Included: 1 x Chain Tensioner Kit with Spring and Extra Roller as Pictures Show