VP Racing U4.4 Racing Fuel, 5 Gal YCRF_bicycle_helmets EVA foam finger knuckles

EVA foam finger knuckles

Thermal-formed multi-density carbon fiber hard knuckle

Tech mesh chassis with mechanical stretch combined with polyfabric 450D perforated in key areas including the chest panel

a pull tab

VP Racing U4.4 Racing Fuel, 5 Gal YCRF_bicycle_helmets EVA foam finger knucklesU4. 4 Reg offering the biggest gain vs. cost of any performance part you can buy. The latest generation of our U4 based fuels, U4. 4 Reg makes more power than pump gas across a wider range of applications than its predecessors. Designed as a direct, pour in replacement for pump gas, it will require modest jetting changes, i. e., +2 main jets or +2 pilot jets at most. FEATURES Designed for use in stock and modified 2 stroke and 4 stroke applications