Pulley Mountain Road Bike Bicycle Rear Derailleur Pulley Roller Idler Bearing Riding Wheel Parts

Single rear derailleur pulley with 360° swivel for mountain bikes
✔️ 360° swivel pulley, stainless steel, rustproof & heavy-duty

The rugged pulley roller bearing is designed for mountain bikes and rear derailleur setups. This single pulley option delivers reliable rotation, reduces cable snag on rough trails, and helps extend drivetrain life.

✅ Rugged stainless steel construction resists rust and wear
✅ 360° swiveling ring for smooth rotation and easy alignment
✅ Heavy-load bearing handles impacts from rough terrain
✅ Sealed bearing design reduces maintenance and friction

💡 What is a bike derailleur pulley bearing used for in mountain bike setups? This handy guide explains common uses.

- Improves cable routing and reduces friction in the pulley wheel - Handy upgrade for mountain bikes to cut wear on cables and housing - Keeps chain running smooth on rough trails - Fits standard pulley sizes for easy install