The most evident changes are immediately noticed on the first change. The new design of the chain up-shift and down-shift zones makes shifting extremely fast and precise.
The Athena axle has the brand new Power Torque System, made to have very high values of torsional stiffness and efficient transmission, without increasing lateral bulk.
The crankset is also available in the carbon fibre version that is more than 100g lighter.
Requires POWERTORQUE BB cups
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