Extreme Performance Shifting System
Special design of chain up and downshift zones - chainring pin profile optimization - allows for faster and more precise shifting in all conditions.
Vai alla pagina X.P.S.S.™
- length: 165 mm
combination: 39-52, 39-53, 34-50-
- 667 g
full-carbon unidirectional-multidirectional cranks - light alloy fixing bolts - light alloy chainrings with XPSS™ (eXtreme Performance Shifting System) - chainrings with hard anodization treatment - 8 pins on the large chainring - integrated ULTRA-TORQUE™ semi-axles - requires ULTRA-TORQUE™ BB cups
FEATURES & BENEFITS
- 8 CHAIN UP SHIFT AND 2 CHAIN DOWNSHIFT ZONES: Faster and more precise shifting, even under stress.
- EXCLUSIVE CRANK/CHAINRING MOUNTING SYSTEM: Reduced weight - easy maintenance.
* The nominal weight refers to the lighter specification among the available options. The weight of the hubs does not includes the quick-release.
The nominal weight does not take account of the sometimes considerable quantities of grease used in the assembly of the products.