Biofuse Earplug Ultegra The effect is twofold

The effect is twofold

instant virtual gears for a real ride feel

which makes it ideal for trail riding in all conditions

- Reflective webbing for increased visibility in low-light conditions

Biofuse Earplug Ultegra The effect is twofoldIntroducing the Biofuse Earplug, engineered for superior comfort with an ergonomic design thats shaped to the ear canal for maximum comfort, offering a secure fit during your swim. Easy to insert and remove, they keep the water out so you can train without distractions. R and L markings allow you to easily identify left and right earplugs, while the unique clip together system floats in the water for easy location.