Pro-tec Cyphon SL Bike Helmet


Sold Out
We'll tell you when there's more:


Add to CartUnavailableNotify MeSpecial Order
, - (Sku )
(% off)
  • Select an item for delivery date
    via standard shipping  
    Special Order: Enter a zip for delivery date
    Estimated to ship - details
    Enter a zip for delivery date
    Estimated to ship - details 
    Special Order - Delivery: ,  
    Estimated, via standard shipping  
  • $ extra handling fee
  • 30-day Guarantee & Easy Returns
  • Available within the U.S. only
  • CS: Ships from
  • CS: on hand


Head protection should not be taken lightly, and with the Pro-tec Cyphon SL Bike Helmet your head will be protected but not weighed down. This lightweight mountain bike helmet has an In-mold micro shell for optimal protection if you happen to make a mistake and go flying off your bike. The BOA fit system helps you find the perfect fit, a removable nylon visor keeps the sun out of your eyes when you’re popping in and out of the trees and the 15 giant vents have strategic flow-through air channeling allowing your head to breathe when you work up a sweat.


  • In-mold micro shell
  • Removable, lightweight nylon visor
  • Liner: EPS
  • Interior: PU foam with laminated polyester mesh
  • Ventilation: 15 massive vents with flow-through air channeling
  • Fit: BOA fit system providing a custom fit for different head shapes, 3 sizes / 3 shell breaks
  • Certification: CPSC 1203, AS/NZS 2063:2008, CE 1078
  • Sizes: S/M, L, XL

Find More

Also Available

Pro-tec Cyphon SL Bike Helmet Photo

Army Green Acid, Black and White Acid.

Available sizes, while supplies last, include size small, size large and size extra large: s, l, xl.

  • Talk to Us:
    (800) 369-3949
  • We're Available:
    Mon-Fri: 7:30am-4:00pm PST
    Sat-Sun: CLOSED