- -70%

Designed and made 100% in France.

Including €0.11 eco-contribution to Ecologic France (not affected by the discount)
Chainring OVALUTION X110 Compact inner 110 mm 4 arms for Shimano road cranksets: Dura-Ace 9000, Ultegra 6800, 105 R7000, 105 5800.
For 10/11-speed drivetrains, 100% CNC-machined from aluminium 7075 T6.
Chainring Spécialités TA compatible with 10/11-speed drivetrains, the X110 Ovalution inner chainring fits Shimano road cranksets with a 4-arm, 110mm BCD.
This chainring features the "Ovalution" concept: a non-circular chainring shape that eliminates the dead spot in the pedal stroke for a smooth, fluid motion, reducing muscle fatigue and improving recovery after effort.
Perfectly suited to triathlon use.
100% CNC-machined from aircraft-grade 7075 T6 aluminium alloy.
To be combined only with a Spécialités TA chainring X110 Ovalution outer with a gap of 10 to 14 teeth.
100% French design and production.
Its non-circular “Ovalution” shape follows the movement of the leg: it reduces the dead spot in the pedal stroke for a rounder, smoother stroke, a recognised asset in triathlon. 100% CNC-machined from aircraft-grade 7075 T6 aluminium, designed and produced in France.

Specific References