Description:

Suitable Fitment-- Inner diameter: 8 mm, can also be used on gas petrol motorized bicycle conversions kits. Convenient Use-- The chain roller wheel complete with heavy duty bearings very easy to use Inner Diameter: Approx. 8mm / 0.31". Outside Diameter: 3.5cm / 1.38" Total Length: 3.5cm / 1.38". Package Included: 1 x Drive Chain Roller.