Ultradynamico ROSE JFF - Tan Size:700 x 42?? stiff direct mount chainrings with

stiff direct mount chainrings with X-SYNC tooth technology to maximize chain retention

5 PRO - a wheel that has already amassed 20+ victories this season

supportive and pressure relieving

platform innovation with the single-chainring option

com/specials/grand-prix-5000-s-tr-comparison

Ultradynamico ROSE JFF - Tan Size:700 x 42?? stiff direct mount chainrings withThe ROS is our first offering and the mainstay of our line. Double it up for optimal traction offroad or pair it with our CAVA in the rear to drift the corners a bit more. Features Handles both pavement and dirt like a skilled musician handles a StradivariusNear continuous center tread for optimal propulsionAeronautically designed delta knob pattern for superior braking traction during gravel re entryExotic file undertread revealed after ~1000k of use