
Designed and made 100% in France.

Chainring Sismic inner 64 mm 4 arms for Shimano XTR M970 cranksets.
For 9-speed drivetrains, 100% CNC-machined from aluminium 7075 T6.
The Spécialités TA Sismic inner is specifically designed to be compatible with 9-speed drivetrains and fits only Shimano XTR M970 cranksets.
This range lets you get back the original chainrings of your crankset at lower cost.
100% CNC-machined from aircraft-grade 7075T6 aluminium alloy.
For ideal shifting quality, we strongly recommend pairing it with Spécialités TA chainrings Sismic middle and Sismic outer.
100% French design and production.
Machined from solid aircraft-grade 7075 T6 aluminium alloy, every Spécialités T.A. chainring combines machining precision, stiffness and low weight. This choice of material and manufacturing gives it optimal longevity, ride after ride. Designed and produced in France.

Specific References
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