⚡ Keep your ride tight, smooth, and unstoppable!
The sthus Black Spring Loaded Chain Tensioner is a robust metal component designed for 49cc to 80cc 2-stroke motorized bikes. Featuring a spring-loaded mechanism, it maintains optimal chain tension to prevent popping and snapping, reduces vibration, and extends the lifespan of your bike’s drivetrain parts. Easy to adjust and universally compatible, it ensures a smoother, more reliable ride every time.
| ASIN | B07NXX4PV4 |
| Batteries included? | No |
| Brand | sthus |
| Color | black |
| Customer Reviews | 4.1 4.1 out of 5 stars (2,383) |
| Date First Available | 20 Feb. 2019 |
| Item model number | AMWZ_MZ0052-1 |
| Manufacturer | sthus |
| Material type | Metal |
| Number of items | 1 |
| Package Dimensions | 11.2 x 9.91 x 5.21 cm; 300 g |
G**.
Si llego y enbuenas condiciones aunque no en el tiempo acordado
W**M
I struggled with many chain tensioners thinking ok i got it this time...? Dont kid yourself.. spring-loaded tensioners are the best solution for sure! The one thing I needed to do.. I grinded the bolt heads down about half.. so crank peddle can pass freely.. Use double nuts on the bolt harnessing flex part, to lock tight but still loose enough for tensioner to flex.. Thats it.. Works great!
K**S
Good product I don’t have a 50cc bike I’m going to use the parts. And make a custom tensioner for my drift trike
J**R
Works good and keeps the chain nice and tight
D**F
Excellent quality and fit, has kept my chain on for many miles. Only issue is bolt and nut that hold arm on loosens up. Needs a longer bolt so a lock washer can be installed. Do not overtighten the chain guide, it will not move and will cause issues with the bearings. Definitely worth the buy and far better quality than the closet door looking hardware that comes standard with the bike engines
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