This genuine schwalbe valve insert is specifically designed for use with schrader valves.

Boasting an impressive easy mix system, the 800ml water bottle from science in sport is your perfect nutritional delivery system.

Fueling your most intense rides and runs, the science in sport beta fuel 80 is formulated with 80g of carbohydrate and a unique 10.8 maltodextrin fructose ratio which will keep you powering through.

Maximising your performance both physically and mentally, the science in sport beta fuel with nootropics are energy gels with a unique 1 0.8 maltodextrin fructose ratio and added cognizin® citicoline.

A caffeine hit with a carbohydrate follow up, the sis go gels will help you push harder for longer by delivering a short term energy boost whilst topping up your carbohydrate stores.

Ideal for indoor workouts, exercise in the heat or any time when you are sweating heavily or dehydrating. The science in sport go electrolyte provides fast rehydration, sustained energy and can be used before, during or after exercise.

Stay energised and hydrated during your most intense training sessions with the science in sport go electrolyte drink, which delivers 36g of carbohydrate per serving, and is formulated with 4 key electrolytes for optimise hydration.

Great for tasty, on the go snacking, the science in sport go energy bakes are an ultra convenient way to stay energised before or during prolonged exercise.