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When choosing a bike helmet, a good fit is vital. Most helmets come in small,medium, large or extended sizes. To find your size, wrap a flexible tape measure around the largest portion of your head—about 2.5cm. above your eyebrows. Or, wrap a string or ribbon around your head, then measure the length of string with a straight-edge ruler or tape messure. Look for a helmet size that matches your measurement. The size range is listed under the "Specs" tab on each product page.
General sizing parameters for the Boost01:
Between sizes? Either opt for the smaller size or wear a cycling cap or beanie to improve the fit of the larger helmet. .
Helmet sizing and fitting instruction can be found here - HELMET SIZING
The latest aero road technology gives the Boost 01 in Black / White stripes colour is more than a 12% aero drag reduction compared to a standard road helmet, along with a 65% reduction in neck torque by relocating the center of pressure. This helmet also have an option to purchase removable shields. This allows the athlete to put the helmet on with ease, while cutting fog and maximizing cooling during long rides. Building on Rudy Project RP-Optics advanced polycarbonate technology, the visor also features cutting-edge coatings for superior optical protection against harmful UV rays, eliminating annoying glare and eye fatigue.
- Lightweight - under 310 grams- Superior ventilation - 10 vents- Universal Dorsal Ridge - coverts sideways force into forward force- Dynamic Pressure Point - pulls air around the rider's neck and off the shoulders for improved aerodynamics- Zero Torque - 12% aero drag reduction and 65% reduction in neck torque- Free Pad interchangeable comfort padding- R.S.R. 9 Disc Retention System- Fastex System Closure Buckle- Rudy Self Centering Buckle- Eyewear Dock- Removable Optical Shield (optional extra)