12T 14T 16T 18T MTB Bicycle Rear Derailleur Jockey Wheel 9/10/11 Speed Ceramic Bearing Guide Pulley for Shimano Sram Road Bike

High-concerned chemical：None Model Number：Ceramics Guide Pulley Total Capacity：12/14/16/18T Gears：11 Speed Material：Alloy Type：Rear Derailleur Origin：Mainland China Components：Derailleurs Color：Black Red Blue Green Gold Colorful Compatible：shimano sram 7/8/9/10/11/12 speed Fit：4/5/6 MM roller screw axis Total Capacity 1：12T 14T 16T 18T roller Teeth 1：Narrow Wide Teeth Type 1：Positive Negative Tooth Jockey Wheel Thickness：Approx 8.5mm

High-concerned chemical: None Model Number: Ceramics Guide Pulley Total Capacity: 12/14/16/18T Gears: 11 Speed Type: Rear Derailleur Origin: Mainland China Components: Derailleurs Color: Black Red Blue Green Gold Colorful Compatible: shimano sram 7/8/9/10/11/12 speed Fit: 4/5/6 MM roller screw axis Total Capacity 1: 12T 14T 16T 18T roller Teeth 1: Narrow Wide Teeth Type 1: Positive Negative Tooth Jockey Wheel Thickness: Approx 8.5mm