Challenge Grifo Pro Clincher Gravel Tires milb The tailored construction

The tailored construction

Uses SRAM AXS battery

Power response cover: Microfiber composite leather cover with a soft feel texture

and explosive acceleration

Bushing) - Code Bronze Stealth C1

Challenge Grifo Pro Clincher Gravel Tires milb The tailored constructionThe best all around cyclocross tire ever created excels in wet or dry, soft packed, rocky and root infested courses, grass, and more The Grifo features fast rolling knobs and a center section that offers excellent pedaling and braking traction This handmade clincher combines a supple, 300TPI SuperPoly casing with natural rubber tread for improved grip, confident cornering, and quick handing. Includes PPS, a Puncture Protection System placed between