CS Bicycle Ceramic Peilin Carbon Oversized Jockey Pulley Rear Guide Wheel Derailleurs For Shimano R8000 R7000 105 FORCE RED AXS

High-concerned chemical：None Derailleur Groupset Type：Electronic Derailleur system Model Number：R7000/R8000 /SRAM Total Capacity：13/19T Gears：12 Speed Material：ceramics Type：Pulley Wheel Brand Name：Jimaiteam Origin：Mainland China Components：Derailleurs

High-concerned chemical: None Derailleur Groupset Type: Electronic Derailleur system Model Number: R7000/R8000 /SRAM Total Capacity: 13/19T Gears: 12 Speed Material: ceramics Type: Pulley Wheel Brand Name: Jimaiteam Origin: Mainland China Components: Derailleurs