15mm Chain Tensioner Adjuster Bolt On Upgrade For Predator 212cc 196cc 6.5HP Mini Bike Fits Coleman CT200U BT200X Trail 200 Massimo Baja MB165 MB200 Trail Dirt Bike ATV

2-Pack 15mm Chain Tensioner Upgrade for Mini Bikes and ATVs
✔️ 2x tensioner units, 86 mm length, 15 mm axle hole, 6 mm thread

This bolt-on chain tensioner is designed to keep your drive chain properly tensioned on small-displacement bikes and ATVs. It suits a wide range of models, including Coleman CT200U, Massimo MB200, Baja MB165/MB200, and similar mini bikes, helping prevent chain slack, jitter, or derailment during riding.

✅ Overall length: 86 mm (3.38 in)
✅ Bolt diameter: 15 mm (0.59 in)
✅ Screw thread: 6 mm (0.24 in)
✅ Package contents: 2 x chain tensioners

💡 What is a chain tensioner bolt-on used for on mini bikes and ATVs? It helps maintain the correct chain tension for smooth riding.
- Maintains proper tension to reduce chain jitter and wear.
- Helps prevent derailment and chain slip during aggressive riding.
- Works with multiple 15 mm tensioner bolt setups across popular mini bikes and ATVs.