Shimano Ultegra R8170 Di2 Electronic Hydraulic 12-Speed Mini Bike Groupset
Light scratches and scuffs are present on the brake levers. Front Derailleur: Shimano Ultegra FD-R8150. The inside of the chain guide shows light wear from chain rub. Rear Derailleur: Shimano Ultegra RD-R8150.