Aerogain BTA System - Én Dunkholder AeroGain Mount Plate for BTA System (Width - Bolt Distance):Double Wide - +198 mm Valve type: Presta

Valve type: Presta

the Funky Trunks swim cap is a perfect choice for swimmers who don't compromise on comfort and design

The material maintains its elasticity and strength over time

this number belt will help you cross the finish line in style

With its advanced safety technology

Aerogain BTA System - Én Dunkholder AeroGain Mount Plate for BTA System (Width - Bolt Distance):Double Wide - +198 mm Valve type: PrestaAeroGain BTA System The AeroGain BTA (Between Behind The Arms) system allows you to mount a bottle between your arm cups. With this system, the bottle can be positioned either directly between the arms for wider cup configurations or offset behind the elbows, which is typically the most aerodynamic position for a bottle. Our measurements show that a bottle placed just behind the elbows can save the rider up to 6 W at 45 km h, while a bottle placed