The fastest, most precise derailing action available in cycling. A difficult objective that challenged the skills of the engineers of the Campy Tech Lab. But the results have far exceeded all expectations. Unparalleled derailing precision and speed - even under strain - achieved through an innovative project and painstaking attention to detail.

• campagnolo part no FD15-SR2BEPS

• mounting type braze on

• compatibility double standard & compact chainrings

• max chainring 55 tooth

• capacity 16 teeth

• advertised weight 127 g