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Bell Helmets
Bell Sidetrack II MIPS Youth Helmet
MIPS technology in the best-fitting kids helmet available
The Bell Sidetrack II MIPS sets the standard for youth bike helmets. MIPS technology — used in most premium adult helmets — reduces the rotational forces responsible for concussions in angled impacts, which account for the majority of real-world bike falls. The Fusion In-Mold shell is both light and protective, and the fit dial makes self-adjustment easy for kids.
✓ Pros
- MIPS liner reduces rotational forces — the most common injury type in bike falls
- Fusion In-Mold construction: lightweight polycarbonate shell bonded to EPS foam
- Universal fit dial allows tool-free adjustment across head sizes
✕ Cons
- Multi-sport certified but not dual-certified for skateboarding (ASTM F1492)
- Premium price versus non-MIPS options
Scores
Overall
9.3
Safety
9.7
Value
9
Ease
9.3
Quality
9.2
Specifications
mipstrue
certificationsCPSC 1203, ASTM F1447
age Range5–14 years
sportsBiking, scooter, rollerblading
vents15