1PC Bicycle Rear Derailleur Jockey Wheel 11T 13T Steel Bearing AL7075 Alloy Pulley for Cycling Modification Accessories

Description: Upgrade your bike shifting experience with this 11T Bicycle Rear Derailleur Jockey Pulley! Equipped with steel bearings and precision CNC machined 7075 aluminum structure, it delivers far smoother gear shifting and extends the service life of your entire derailleur system. Key Features: ✅ High-Strength 7075 Aluminum Construction: Made of CNC machined 7075 aircraft-grade aluminum, it holds up against deformation, abrasion and corrosion even in harsh outdoor riding conditions, effectively prolonging the pulley's service life to save you from frequent replacements. ✅ Low-Friction Steel Bearing Core: Fitted with high-precision integrated steel bearing, it cuts down rotational friction during gear shifting, guarantees stable, jam-free rotation, and brings more responsive, smoother shifting performance for all road and trail conditions. ✅ Lightweight Hollow CNC Design: Adopts precision hollow cutting process on the 7075 aluminum body, it removes redundant weight while keeping excellent structural rigidity, adds no extra load to your bicycle to improve your overall riding efficiency. ✅ Wide Compatibility: Standard 11T size fits 4/5/6mm mounting bolts, it works with most mountain bike, road bike and folding bike rear derailleur systems, no complicated modification required for super easy installation and replacement. ✅ Durable Anodized Surface: The anodized finish on the aluminum body prevents paint chipping and fading after long-term use, we offer multiple stylish color options to match different bike styles and add a personalized touch to your ride. Specifications: Type: Bicycle Rear Derailleur Jockey Pulley Materials: CNC Machined 7075 Aluminum, Integrated Steel Bearing Size: 11T, fits 4mm/5mm/6mm mounting shafts Available Colors: Black, Red, Yellow, Blue, Iridescent, Purple, Green Application: Ideal for replacement and upgrade of mountain bike, road bike, folding bike rear derailleur systems Package: 1 Piece per order Notes: 1. The product photos are for reference only, please check the description for exact size details. 2. Please allow 1-2mm deviation due to manual measurement, thank you for your understanding. 3. Actual color may vary slightly from the images due to different monitor settings. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.