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Chain Roller Pulley Tensioner
Nylon material is excellent in mechanical strength, wear-resistant and corrosion-resistant. The engineering plastic is widely used and is a good material for plastics to replace metals such as steel, iron and copper etc..
The pulley tensioner is an external nylon roller with internal double bearings. The guide wheel is a great replacement part, quiet and wear-resistant. The shaft needs to wear two bearings to complete the assembly, easy to use.
Wide Applications
The chain roller wheel is suitable for go-kart, sliding door and window, irrigation equipment, and other chain drive equipment. It is also widely used for mini motorcycle, dirt bike, Atv.
Note: choose according to the chain size or your actual application size. Please check the size and confirm the guide wheel meet your needs.
Kai
Reviewed in Canada on August 6, 2024
Very pleased with the replacement quality and price
2023 apollo Z40
Reviewed in the United States on March 30, 2024
perfect fit. be careful buying thses cuz theres another one that looks very similar but its shorter and it came and prolly wud have fit but this is the same on my sons apollo 125 came with and fit my z40 perfectly i did however have to use 2 washers on each bolt that it didnt come with in order to make it centered with the chain cuz the chain was rubbing slightly on the inside of this guide. but adding 2 washers between the swing arm and the guide made a perfect fit. but shud have came with the bolts needed for install. which r M8-1.25 x20mm. u can prolly get away with 15mm also
Mamie
Reviewed in the United States on May 24, 2023
Spacer between bearings is too large (bearings are 8 mm and spacer is 10 mm) causing bearings to be pinched between mounting bolt and flange. Even with spacers replaced with correct size. Rollers disintegrated after only 25 miles.
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