- On sale!

By buying this product you can collect up to
10
points.
Your cart will total 10
points that can be converted into a voucher of
€1.50.
Brand- Campagnolo
Guarn. Athena Black 11 V
The most noticeable changes are immediately perceptible at the first shift: the new design of the chain's up and down zones makes shifting extremely fast and precise.
The central pivot of Athena™ is the brand new Power Torque System™ that allows you to obtain a very high value in terms of torsional rigidity and efficient power transmission, without increasing the lateral dimensions.
OPTIMAL POSITIONING OF THE BALL/BEARING SEAT: allows you to minimize friction, reduce mechanical stress, protect the balls/bearings from water and dust to maintain performance over time.
OPTIMIZED "U" AND "Q" FACTORS: optimized space between malleolus and crank arm - maximum lateral and torsional stiffness