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Designed and made 100% in France.
Designed and made 100% in France.

"Oval" chainring range Spécialités TA compatible with all cranksets with a standard 130mm BCD, 5-arm.
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 Ovalution 130mm outer with a gap of 10 to 14 teeth.
Chainring requiring specific bolts VPVSOV1
100% French design and production.
Warning: chainring not compatible with cranksets whose 5th arm is behind the crank arm.
"Oval" chainring range Spécialités TA compatible with all cranksets with a standard 130mm BCD, 5-arm.
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 Ovalution 130mm outer with a gap of 10 to 14 teeth.
100% French design and production.
Warning: chainring not compatible with cranksets whose 5th arm is behind the crank arm.
Chainring requiring specific bolts VPVSOV1

Specific References