2pcs 12T 14T Bike Ceramic Bearing Rear Derailleur Pulley Guide Roller Idler For SHIMANO SRAM DEORE GX Jockey Wheel Bicycle Parts

High-concerned chemical：None Model Number：12T 14T roller Total Capacity：12T 14T Gears：12 Speed Material：AL7075 body ,Ceramic bearing Type：Rear Derailleur Brand Name：GANOPPER Origin：Mainland China Components：Derailleurs color：black ,red ,blue ,green,titanium,gold ,Ti Compatible：shimano ,sram Installment Diameter：4mm,5mm,6mm Weight：approx 14g Sheel：Stainless shell ,more durable

High-concerned chemical: None Model Number: 12T 14T roller Total Capacity: 12T 14T Gears: 12 Speed Material: AL7075 body ,Ceramic bearing Type: Rear Derailleur Brand Name: GANOPPER Components: Derailleurs color: black ,red ,blue ,green,titanium,gold ,Ti Compatible: shimano ,sram Installment Diameter: 4mm,5mm,6mm Weight: approx 14g Sheel: Stainless shell ,more durable