
Designed and made 100% in France.

Single chainring ONE C55 Direct Mount for FSA Direct Mount cranksets: FSA K-Force Modular 1x, FSA SLK Modular 1x, FSA Gradient Modular 1x, FSA Grid Modular 1x, FSA Afterburner Modular 1x, FSA V-Drive Modular 1x.
For 10/11/12-speed drivetrains, 100% CNC-machined from aluminium 7075 T6.
Compatible with 10/11/12-speed drivetrains, the Spécialités TA One C55 fits FSA Direct Mount cranksets.
100% CNC-machined from aircraft-grade 7075 T6 aluminium alloy, this chainring is optimised for the best compromise between lightness and stiffness.
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.
100% French design and production.
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.

Specific References
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