Turn your road bike helmet into an Aero Helmet and save - 3-9 Watts fully wind tunnel tested at Silverstone Sport Engineering Hub across 30-45kph, Please see data on images, Check out our science page.

This is the next best thing to buying a TT Helmet.

FEATURES & BENEFITS

• Waterproof: covers your helmet with a waterproof material that keeps rain and fog away from your head
• Windproof: windproof material keeps your head warm, even on cool mornings (10C/50F to 18C/65F)
• Lightweight: weighs less than 45 grams and doesn’t retain water when wet
• Aerodynamic: Flexible material creates a form-fitting design, dimples reduce drag
• Easy to Remove: Pull off easily if the skies clear on your ride 
• Compact: easily fits in a jersey pocket or saddle bag
• Versatile: Fits most cycling helmets

INSTRUCTIONS

1. Put Helmet Cover over the front of the helmet
2. Pull over back of the helmet
3. Stretch to smooth out any wrinkles