The most evident changes are on the first shift. The newly designed chain up- and down-shift zones make shifting extremely fast and precise. The new Power Torque System axle makes for high values of torsional stiffness and efficient power transmission without increasing lateral bulk.
- Full carbon uni- and multi-directional cranks
- Light alloy fixing nuts and bolts
- Light alloy chainrings
- Chainrings with XPSS (eXtreme Performance Shifting System)
- Chainrings with hard anodization treatment
- 8 pins on the outer chainring
- Integrated Power-Torque axle
- Weight: 644g
Options:- 170mm, 172.5mm, 175mm: 39-53T
- 170mm, 172.5mm, 175mm: 34-50T
Note: Requires Power-Torque BB cups