Rudy Project Bike Helmet Size Chart
1. Achieve the perfect fit by measuring your head circumference correctly.
2. Watch the video below to see how to measure your head correctly. (If you don’t see a video below, please refresh this page, or you might need to allow this website through your Ad blocker.)
3. VIDEO: How To Measure For A Bike Helmet
4. On the chart below, find the helmet model that you are interested in, then find your head measurement to see which size you need.
Rudy Project Bike Helmet Size Charts
Model | Small | Small/Medium | Large |
---|---|---|---|
Airstorm Outlet | 54.9 – 58.7cm | 59.6 – 61.5cm | |
21⅝” – 23⅛” | 23½” – 24¼” | ||
Boost 01 | 54.9 – 58.7cm | 59.6 – 61.5cm | |
21⅝” – 23⅛” | 23½” – 24¼” | ||
Protera Outlet | 54.9 – 58.7cm | 59.6 – 61.5cm | |
21⅝” – 23⅛” | 23½” – 24¼” | ||
Protera+ | 54.9 – 58.7cm | 59.6 – 61.5cm | |
21⅝” – 23⅛” | 23½” – 24¼” | ||
Racemaster MIPS | 54.9 – 58.7cm | 59.6 – 61.5cm | |
21⅝” – 23⅛” | 23½” – 24¼” | ||
Spectrum | 51.1 – 54.9cm | 55.8 – 58.7cm | 59.6 – 61.5cm |
20⅛” – 21⅝” | 22″ – 23⅛” | 23½” – 24¼” | |
Strym | 54.9 – 58.7cm | 59.6 – 61.5cm | |
21⅝” – 23⅛” | 23½” – 24¼” | ||
The Wing | 54.9 – 58.7cm | 59.6 – 61.5cm | |
21⅝” – 23⅛” | 23½” – 24¼” | ||
Volantis | 54.9 – 58.7cm | 59.6 – 60.6cm | |
21⅝” – 23⅛” | 23½” – 23⅞” |