Giro Radix MIPS Trail MTB Bike Helmet - Harbor Blue Brand_Reid Greater compatibility

Greater compatibility

The original service manual from the 70's can be viewed below

8mm interface

Ever needed to adjust the setback of your mountain bike saddle

5 OUTER WIDTH (mm): 35 PROFILE HEIGHT (mm): 19 ETRTO: 584x30

Giro Radix MIPS Trail MTB Bike Helmet - Harbor Blue Brand_Reid Greater compatibilityRADIX MIPS HELMET THE RADIX MIPS HELMET COMBINES RUGGED STYLE AND DURABILITY TO MEET THE DEMANDS OF CORE TRAIL RIDERS, WITH THE COVERAGE, LIGHT WEIGHT, AND VENTILATION RIDERS NEED TO RIDE COMFORTABLY AND CONFIDENTLY ALL DAY.. DETAILS THE RADIX MIPS HELMET IS FOR THE RUGGED ADVENTURER WHO APPRECIATES A PERFECT FIT, THE SUN STAYING OUT OF THEIR EYES, AND PLENTY OF VENTILATION. The highly adjustable Roc Loc 5. 5 Mips system allows you to customize fit