10T 11T 12T 13T 14T 15T 16T 17T 18T Bearing Bicycle Rear Jockey Wheel MTB Bike Rear Derailleur Pulley Roller for Shimano Sram

High-concerned chemical：None Model Number：10T 11T 12T 13T 14T 15T 16T 17T Jockey Wheel Total Capacity：for 7/8/9/10/11/12 speed Gears：11 Speed Material：POM Type：Bicycle Parts Brand Name：GANOPPER Origin：Mainland China Components：Derailleurs Fit for：Shimano Sram X01 XX1 GX NX Bearing：Waterproof Sealed Bearing Compatible With：Shimano ,Sram ,KMC ,YBN etc., 7S 8S 9S 10S 11S 12S Thickness：7.94mm Type 1：Road Bike Rear Shifter Switch Rollers Type 2：Bike Jockey Rear Derailleur Pulley Roller

High-concerned chemical: None Model Number: 10T 11T 12T 13T 14T 15T 16T 17T Jockey Wheel Total Capacity: for 7/8/9/10/11/12 speed Gears: 11 Speed Material: POM Type: Bicycle Parts Brand Name: GANOPPER Origin: Mainland China Components: Derailleurs Fit for: Shimano Sram X01 XX1 GX NX Bearing: Waterproof Sealed Bearing Compatible With: Shimano ,Sram ,KMC ,YBN etc., 7S 8S 9S 10S 11S 12S Thickness: 7.94mm Type 1: Road Bike Rear Shifter Switch Rollers Type 2: Bike Jockey Rear Derailleur Pulley Roller