
Designed and made 100% in France.

Single chainring ONE 64 Narrow Wide 64 mm 4 arms for cranksets of all brands.
For 10/11v drivetrains, 100% CNC-machined from aluminium 7075 T6.
Compatible with 10/11-speed drivetrains, the Spécialités TA One 64 chainring fits all cranksets with a standard 4-arm, 64 mm BCD, in the inner position.
100% CNC-machined from aircraft-grade 7075T6 aluminium alloy.
Thanks to its small tooth count (28 teeth), it saves your energy on long events such as marathons or raids.
"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