Gruppo Deragliatore Anteriore Posteriore Cambio LTWOO R7 2x10 Velocità Bici Strada Componenti
【 Speed 】: 2x10 speed. Suitable for [model]: R7. Front Derailleur 2X10S front derailleur： Maximum teeth 56T. Rear derailleur： Compatible with flywheel maximum teeth: 32T. 【 】 Easily achieve faster and more accurate shifting performance.