Adopting the proven technology of our 1/1 mountain line, the 1/1 GRCX brings off-road readiness to drop bar bikes. Our unassuming, but advanced 1/1 Road drive mechanism keeps pedal power transfer consistent and predictable, available at a split seconds calling courtesy of the 4 degree hub engagement. Offered with a 24.5mm inner rim design, the 700c GRCX rim shines on rides that see both road and gravel. Perfect for backcountry or touring adventures, 1/1 Road brings Industry Nine performance to new riders and new routes. Center Lock Only.