O’Neal Transition
Tested in 2026
Adult
Mountain bike full-face
Score
83.0
out of 100
Star rating
5/5 Stars
Price
$
$
$
$
$161-$270
Performance
Specifications
Performance
Each metric is weighted differently based on crash severity. Scores combine to create the overall 100-point rating.
Helmet coverage
5.8
/ 6
Retention system strength
2.7
/ 6
Head protection in low-speed impact
12.0
/ 12
Angular head impact protection
32.0
/ 32
Head protection from concentrated impact
8.0
/ 8
Head protection in higher-speed impact
11.9
/ 12
Head protection variability in higher-speed impact
1.0
/ 2
Head protection variability in low-speed impact
0.6
/ 2
Helmet stability in a crash
3.0
/ 6
Head protection in standard-speed impact
6.1
/ 12
Head protection variability in standard-speed impact
0.0
/ 2
Total
83.0
/ 100
Specifications
Model
Transition
Brand
O’Neal
Size
S, M and L
Helmet Type
Mountain bike full-face
Weight (Average from 3 sizes)
847g
Shell/Liner material
Polycarbonate
AIMS
YES
AIMS Type
IPX Acell
Retention System
Fidlock
Price Range
$$$ ($161-$270)
Certification standard(s)
AS/NZS2063:2008
