Fox Racing 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.

Fox Bike Helmet Size Charts

Model – Full-Face S M L XL 2X
Proframe MIPS 52 – 56cm 56 – 58cm 58 – 61cm 61 – 64cm
20½” – 22″ 22″ – 22⅞” 22⅞” – 24″ 24″ – 25¼”
Proframe Quo MIPS 52 – 56cm 56 – 58cm 58 – 61cm 61 – 64cm
20½” – 22″ 22″ – 22⅞” 22⅞” – 24″ 24″ – 25¼”
Rampage 55 – 56cm 57 – 58cm 59 – 60cm 61 – 62cm
21⅝” – 22″ 22½” – 22⅞” 23¼” – 23⅝” 24″ – 24⅜”
Rampage Pro Carbon 55 – 56cm 57 – 58cm 59 – 60cm 61 – 62cm
21⅝” – 22″ 22½” – 22⅞” 23¼” – 23⅝” 24″ – 24⅜”
Rampage Comp MIPS 55 – 56.5cm 56.5 – 59cm 59 – 60cm 60 – 62.5cm 62.5 – 64cm
21¾” – 22¼” 22¼” – 23¼” 23¼” – 23¾” 23¾” – 24¾” 24¾” – 25¼”
Model – Half-Shell S M L XL
Dropframe 52 – 54cm 54 – 56cm 56 – 58cm 58 – 60cm
20½” – 21¼” 21¼” – 22″ 22″ – 22⅞” 22⅞” – 23⅝”
Dropframe Pro MIPS 52 – 54cm 54 – 56cm 56 – 58cm 58 – 60cm
20½” – 21¼” 21¼” – 22″ 22″ – 22⅞” 22⅞” – 23⅝”
Flight 53 – 54cm 55.5 – 56cm 57 – 58cm
20⅞” – 21¼” 21⅝” – 22″ 22½” – 22⅞”
Flight Sport 53 – 54cm 55.5 – 56cm 57 – 58cm
20⅞” – 21¼” 21⅝” – 22″ 22½” – 22⅞”
Speedframe MIPS 51 – 55cm 55 – 59cm 59 – 63cm
20⅛” – 21⅝” 21⅝” – 23¼” 23¼” – 24¾”
Speedframe Pro MIPS 51 – 55cm 55 – 59cm 59 – 63cm
20⅛” – 21⅝” 21⅝” – 23¼” 23¼” – 24¾”
Model – Half-Shell XS/S S/M L/XL
Flux 50 – 55cm 56 -59cm 59 – 64cm
19¾” – 21¾” 22″ – 23¼” 23¼” – 25¼”
Flux MIPS 50 – 55cm 56 -59cm 59 – 64cm
19¾” – 21¾” 22″ – 23¼” 23¼” – 25¼”
Ranger 50 – 55cm 55 – 59cm 59 – 64cm
19¾” – 21¾” 21¾” – 23¼” 23¼” – 25¼”