Fox Speedframe Pro Blocked Helmet

$174.00 CAD $244.95

This item is in stock at the warehouse, and will require additional time to process before shipping. Learn more

31144-579S
Color: Vintage White
Size
Performance-focused open-face trail helmet

The Speedframe Pro Helmet has earned Virginia Tech’s best rating (5 STARS) in its Bicycle Helmet Ratings program. Designed with input from our pro mountain bike athletes, this top-tier open-face mountain bike helmet offers a market-leading feature set including Mips®, an easily adjustable multi-position visor, and a 360° Fit System. The pro version is equipped with a Varizorb™ dual-density EPS liner, FIDLOCK SNAP helmet buckle, and an XT2® antimicrobial comfort liner.

  • Mips® equipped
  • Virginia Tech 5-Star helmet rating
  • Goggle compatible, 3-position visor
  • 360° Fit System to dial in fit
  • Fast and simple FIDLOCK magnetic buckle
  • Proven Mips® impact protection system reduces rotational forces in a crash
  • Varizorb™ Dual-density Varizorb™ EPS
  • FIDLOCK SNAP helmet buckle provides quick and secure entry and exit while wearing gloves
  • Removable, washable XT2® liner is antimicrobial and manages odor while wicking moisture away from the head
  • Optimized venting with channeled, in-molded EPS provides efficient cooling
  • Goggle compatible, 3-position adjustable visor
  • 360° Fit System allows you to dial in your perfect fit every ride
  • Weight: 380 g, size medium

For care instructions, see our Helmet Care Guide

Note: Avoid exposure to aerosol sprays like bug repellent and sunscreens as they can cause your helmet's finish to peel

Size Head Size Hat Size Weight
S 20.1-21.7" 6 3/8-6 7/8" 355±30 g
M 21.7-23.2" 6 7/8-7 3/8" 380±30 g
L 23.2-24.8" 7 3/8-7 7/8" 415±35 g


Product Variants SKU/UPC
  • Fox Speedframe Pro Blocked Helmet: Vintage White / SM: SKU: 31144-579S - UPC: 191972864650
  • Fox Speedframe Pro Blocked Helmet: Vintage White / MD: SKU: 31144-579M - UPC: 191972864667
  • Fox Speedframe Pro Blocked Helmet: Vintage White / LG: SKU: 31144-579L - UPC: 191972864674