12T Aluminum Ceramic Jockey Wheel Mountain Bike Rear Derailleur Guide Pulley Cycling Accessory

Packages list: same as you select;

Product Highlights: • High-performance ceramic bearing pulley reduces friction and improves shifting efficiency • Lightweight aluminum construction ensures durability without adding excess weight • Precision-machined 12-tooth design compatible with modern 10/11/12-speed drivetrains • Smooth rotation and quiet operation ideal for MTB, gravel, and road cycling • Black, red, blue, and炫彩 (multicolor) finishes available for style and visibility

Product Specifications: • Model: 12T • Type: Rear derailleur jockey wheel / guide pulley • Material: Aluminum alloy body with ceramic bearings • Tooth count: 12 teeth • Bearing type: Sealed cartridge bearings (ceramic) • Compatibility: Standard mountain bike rear derailleurs (Shimano, SRAM, Campagnolo compatible) • Color options: Black, Red, Blue, Multicolor • Product ID: Bicycle Rear Derailleur Guide Pulley

Note: • Designed for replacement or upgrade of worn-out derailleur pulleys • Not a complete derailleur assembly—only the guide pulley unit • Installation requires basic bike maintenance tools and knowledge • Clean and lubricate periodically for optimal performance Status: New Country of manufacture: China Label: Yes Washing care: hand washing

Shell Material : Imitation Leather Use : Mountain Bikes User : Unisex