Features the Power Torque System
- new for 2011. The perfect coupling between central pin & pedal crank is ensured thanks to the particular geometry of the two components; this solution also makes it possible to eliminate the potential play between the different materials. Key
Features: Eleven speed chainring design. Forged aluminium cranks. Light alloy fixing bolts & nuts
- light alloy chainrings with ESP Actuation System. 8 shift pins on the large chainring for great shifting under pressure. 50/34T chainrings. This new system requires the specific Power Torque BB. Weight: 821g (Manufacturer claimed.)