Decathlon · Bike helmet

Decathlon Btwin Rockrider Expl 500

Based on 1 independent scored test: ADAC (2026).

Tested for Europe & UK

Shortlist score

Fair

#35 of kids' helmets

Single test

Where to buy

Most links search the shop for this model. Check that the version on sale matches the one tested.

Test results

Each score as the tester published it, converted to our 0–100 scale. Weight is how much the result counts towards the score.

ADAC DE · Lab test

ADAC Kinder-Fahrradhelm-Test 2026

3,1

befriedigend

Our scale48

weight 1.00

Same test also published by ÖAMTC, TCS Touring Club Schweiz, counted once.

Accident protection: 2,9
Handling: 3,7
Harmful substances: 1,0

Listed at €30 Joint test ADAC + Stiftung Warentest (also published by ÖAMTC/TCS), 18 helmets; criteria expanded vs 2022 (straps/buckle), only partly comparable

View on adac.de ↗

2 older or duplicate results not counted

ÖAMTC AT · Lab test

ÖAMTC Kinder-Fahrradhelm Test 2026

3,1

befriedigend

Our scale48

not counted

Not counted: Same joint test as ADAC.

Accident protection: 2,9
Handling: 3,7
Harmful substances: 1,0
Oeamtc recommendation stars: 3/5

Same joint test as ADAC 2026 (18 helmets); ÖAMTC adds star recommendation

View on oeamtc.at ↗

TCS Touring Club Schweiz CH · Lab test

TCS Test Kinder-Velohelme 2026

48%

Our scale48

not counted

Not counted: Same joint test as ADAC.

Accident protection: 52%
Handling: 36%
Harmful substances: 90%

Listed at CHF 40 TCS percentage scale; 16 helmets available in Switzerland from the joint 2026 test (ADAC/Stiftung Warentest/ÖAMTC); verbal rating published only for the named winner and losers

View on tcs.ch ↗

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How we turn these into one number: methodology. Tested in 2026.