Single Chainring Spécialités TA ONE SH52 Ovalution Narrow Wide 11/12-speed Shimano XTR M9100, XT M8100, SLX7100, MT900-1

Compatible with 10/11/12-speed drivetrains, the Spécialités TA One SH52 Ovalution fits Shimano direct mount cranksets with a 52mm chainline.
100% CNC-machined from aircraft-grade 7075T6 aluminium alloy, our chainrings are light and stiff, with optimal longevity.
Our wide choice of tooth counts lets you adapt your drivetrain to your performance.
"ONE" concept: narrow-wide teeth hold the chain perfectly without a chain guide, even in extreme conditions.
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.

Improved grip thanks to its specific shape, especially when accelerating.

100% French design and production.

This chainring is also available in ONE SH52 Round version.

Spécialités T.A. craftsmanship

Its “ONE” profile alternates narrow and wide teeth, which fit the inner and outer chain links in turn: the chain stays in place without a chain guide, even in the toughest conditions, for a simple and reliable single-chainring drivetrain.

Compatibility