Giro Radix MIPS Adult Dirt Bike Helmet
Giro

Giro Radix MIPS Adult Dirt Bike Helmet

Matte Black Static - Size M (55–59 cm)

$119.95★ 4.7(544 reviews)
Mubboo Score B-
Buy on Amazon $119.95

Price as of 2026-06-03. Check Amazon for the current price.

Quick Decision

Mubboo Score
B-
Best For
Buyers who prioritize quality over price in Bike Helmets
Skip If
You're on a tight budget
Reviews
544+ · reasonably reliable
Buy on Amazon $119.95See Full Analysis ↓

Is This Right For You?

✅ Great for
  • •Buyers who prioritize quality over price in Bike Helmets
  • •Those who want a top-rated option — in the top 7% of Bike Helmets by rating
  • •Giro loyalists — the brand spans 30 products in our database
⚠️ Think twice if
  • •You're on a tight budget — $49 above the category average of $71
💡 Consider instead
  • •OutdoorMaster MIPS Adult Recreational Cycling Helmet — 52% cheaper at $58 (Score B)
  • •SMITH Engage MTB Cycling Helmet — higher rated at 4.8/5 ($150)

📊 Based on data analysis of 67 products in this category.

Mubboo Score: B-

Quality9.4/10
based on 4.7/5 customer rating
Popularity6.3/10
544 reviews, top 66% in Bike Helmets
Value1.5/10
priced below 15% of Bike Helmets

How It Compares

This Product
Giro Radix MIPS Adult Dirt Bike Helmet
Most Popular
ILM Adult Bike Helmet
Best Rated
SMITH Engage MTB Cycling Helmet
Best Value
OutdoorMaster MIPS Adult Recreational Cycling Helmet
Price$119.95$61.99$150$57.99
Rating4.7/54.6/54.8/54.7/5
Reviews5443,0439851,438
Mubboo ScoreB-B+B-B

Quick Specs

Size
Medium
Color
Matte Black Static
Unit Count
1.0 Count
Item Weight
16 ounces
Manufacturer
Giro
Model Number
7164881
Inner Material
Expanded Polystyrene (EPS)
Item Type Name
Bike Helmet

What People Say

Synthesized from 40 reviews · 100% verified purchases.

Measure your head carefully and consider sizing up, as many users found these helmets run small. Also, if selecting a model with goggles, be aware of potential glare issues in bright sunlight.

Praised for
  • Comfort and lightweight
  • Adjustable and secure fit
  • Durable and protective
  • Good ventilation
  • Great value for price
Common complaints
  • Sizing runs small or odd shape
  • Bulkiness for some activities
  • Goggles produce glare in sunlight

Key Features

  • ✦INTEGRATED MIPS BRAIN PROTECTION SYSTEM — All Giro helmets are designed to reduce as much energy as possible while meeting and exceeding stringent safety standards. The goal of Gir…
  • ✦HARDSHELL WITH IN-MOLD HARDBODY LOWER WRAP — The two-piece shell combines a tough outer hard shell with a polycarbonate lower shell permanently fused to the liner for durability wi…
  • ✦P.O.V. VISOR — Our P.O.V. visor features an adjustment mechanism that lets you move the visor up and down in indexed steps. These steps include three riding positions plus a high p…
  • ✦ROC LOC 5 FIT SYSTEM — The industry benchmark in comfort, stability, adjustability and weight savings. In addition to enhancing the fit and comfort of helmets, Roc Loc 5 allows you…
  • ✦WIND TUNNEL VENTILATION — Giro helmets are developed utilizing our proprietary Wind Tunnel ventilation system. This elaborate design combines active vents in the helmet's shell wit…

Source: product listing on Amazon.

About Giro

  • 30 products in our database
  • Average rating: 4.6/5 across all products
  • Price range: $56.17 – $424.95
  • Categories: Bike Helmets, Cycling Shoes

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Findway Pro Bike Helmet for Adults,Adjustable Cycling Helmet for Men & Women [Safety Certified] Bicycle Helmet for Commuting, Road Biking, Skating with Adjustable Dial
$39.99 ★4.8
Schwinn Thrasher Helmet for Adults, Black, Size 58 - 62 cm, for Riders Ages 14+, Lightweight Microshell, Adjustable Dial and Straps, Interior Padding, 20 Air Vents, Removable Visor, Adult Bike Helmet
Schwinn Thrasher Helmet for Adults, Black, Size 58 - 62 cm, for Riders Ages 14+, Lightweight Microshell, Adjustable Dial and Straps, Interior Padding, 20 Air Vents, Removable Visor, Adult Bike Helmet
$25.59 ★4.7
VICTGOAL Bike Helmet with USB Rechargeable Rear Light Detachable Magnetic Goggles Removable Sun Visor Mountain & Road Bicycle Helmets for Men Women Adult Cycling Helmets (L: 57-61 cm, Black Red)
VICTGOAL Bike Helmet with USB Rechargeable Rear Light Detachable Magnetic Goggles Removable Sun Visor Mountain & Road Bicycle Helmets for Men Women Adult Cycling Helmets (L: 57-61 cm, Black Red)
$40.99 ★4.7
Adult-Men-Women Bike Helmet with Light - Mountain Road Bicycle Helmet with Replacement Pads & Detachable Visor
Adult-Men-Women Bike Helmet with Light - Mountain Road Bicycle Helmet with Replacement Pads & Detachable Visor
$37.99 ★4.7

Bottom Line

Giro Radix MIPS Adult Dirt Bike Helmet earns Mubboo Score B-. Priced at $120 — a premium option, above the category average of $71. Rated 4.7/5 from 544+ reviews. Strong buy if: buyers who prioritize quality over price in bike helmets, those who want a top-rated option. Skip if: you're on a tight budget — ILM Adult Bike Helmet (Score B+, $62) may fit better.

Buy on Amazon $119.95Last verified: 2026-06-03

Frequently Asked Questions

Is the Giro Radix MIPS Adult Dirt Bike Helmet worth buying in 2026?

It earns a Mubboo Score of B-, with a 4.7/5 rating from 544 reviews — better than 93% of Bike Helmets we track.

How much does the Giro Radix MIPS Adult Dirt Bike Helmet cost?

It is currently $119.95 — premium-tier pricing for Bike Helmets.

How does the Radix MIPS Adult Dirt Bike Helmet compare to other Bike Helmets?

The category's most-reviewed alternative is the ILM Adult Bike Helmet (4.6/5, 3,043 reviews, $61.99). The Radix MIPS Adult Dirt Bike Helmet carries a Mubboo Score of B- vs B+.

Sources & References

Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-03) and may change.