Rex Race Day Spray is a unique product for treating your chain and cassette by yourself, for extremely low friction and maximal dirt repellency.
Rex is an expert in fluorocarbon coatings and have decades worth of expertise in manufacturing products for cross-country race skiing. Now, they are the first in the world to bring the same technology into cycling.
Use Rex Wax Race Day Spray when you want the absolute lowest friction performance from your drivetrain - for road races, crits, sportives, triathlons.
Together with their Domestique Chain Lube, Race Day Spray forms a lubrication solution with unmatched longevity and dirt repellency.