1. Loading...

Bontrager Rally MIPS Mountain Bike Helmet

Model 13580
Performance-orientated mountain bike helmet with the added protection of MIPS.
Search shop availability

Leading-edge safety

The Rally MIPS mountain bike helmet raises the bar in comfort and protection. Extended coverage and ample vents keep you riding all-day long on the toughest trails.

MIPS (Multi-directional Impact Protection System) sets a new standard in helmet safety. Developed by brain surgeons and scientists, MIPS helps to reduce rotational forces on the brain caused by angled impacts to the head.

Product details

  1. Equipped with the MIPS Brain Protection System
  2. The in-mould composite skeleton allows a greater variation of vent shape and size
  3. The intuitive, one-handed Headmaster fit system adjusts height and circumference
  4. The flexible head-conforming FormFit brow band has a tailored feel and improves venting
  5. FlatLock dividers make helmet strap management simple through the fixed-position fit
  6. Internal, recessed channels manage airflow through the helmet and over the head
  7. Drop-in coverage offers additional protection below the traditional bottom edge of the helmet
  8. The Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

More options


Rally MIPS Mountain Helmet

A performance-orientated mountain bike helmet with the added protection of MIPS

Next-level protection

Created through years of research, MIPS is designed to accentuate the brain's own ability to protect itself and can provide better protection from angled impacts.

Dropping in

The extended coverage at the rear of the helmet not only looks good, it protects more of your head's sensitive areas so you can have the confidence to drop into any situation.

It happens

Get back on the bike as soon as possible with a free replacement for any helmet involved in a crash within the first year of ownership. Simply contact Bontrager or your local retailer.


Size (head circumference) Small (51-57 cm) Medium (54-60 cm) Large (58-63 cm)
Fit system Headmaster II Headmaster II Headmaster
Pad material Moisture wicking pads Moisture wicking pads Woven Synthetic
Buckle type Standard buckle Standard buckle --
Weight 330g 370g 440g

Product Compare Rack

Start comparison
International / English
You’re looking at the International / English Trek Bicycle website. Don’t worry. We’ve all taken a wrong turn before. View your country’s Trek Bicycle website here.