12-Speed Di2 Electric Bicycle Adapter Type-C Adapter Battery Charger Head for 105 UT DA 7170 8150 8170 9250 9270

Good luck with your favorite purchasesHign-concerned Chemical : None Derailleur Groupset Type : Electronic Derailleur system Model Number : Battery Charger Head Total Capacity : Battery Charger Head Material : Alloy Type : Rear Derailleur Brand Name : Shunmaii Origin : Mainland China Components : Derailleurs Origin : Mainland China Material : Plastic Color : Black Net weight : about 8g