1. Introducció
Thank you for choosing the Decathlon ROCKRIDER EXPL 100 Mountain Bike Helmet. This manual provides essential information for the proper use, fitting, maintenance, and care of your helmet. Please read it thoroughly before using your helmet to ensure maximum safety and performance.
This helmet is designed for mountain biking and offers protection against impacts. It is crucial to understand that no helmet can protect against all possible impacts. Always ride responsibly and be aware of your surroundings.
2. Informació de seguretat
- Proper Fit is Essential: A helmet must fit snugly and comfortably to provide effective protection. Refer to the "Fitting and Adjustment" section for detailed instructions.
- Ús únic: This helmet is designed to absorb the energy of a single significant impact. Even if there is no visible damage, the helmet must be replaced after any impact. The internal structure may be compromised, reducing its protective capabilities.
- Sense modificacions: Do not modify or remove any original parts of the helmet, including the straps, padding, or shell. Any alteration can compromise the helmet's safety features.
- Productes químics i dissolvents: Avoid contact with petroleum products, cleaning fluids, paints, adhesives, or other solvents. These substances can damage the helmet's materials without visible signs.
- Visibilitat: While the blue color of this helmet offers some visibility, always use appropriate lighting and reflective gear when riding in low-light conditions.
- Compliment: This helmet complies with the EN1078 European Standard, ensuring it meets specific safety requirements for cycling helmets.

Image: Impact Protection. This image illustrates the internal structure of the helmet, highlighting the ABS outer shell and EPS protective foam designed to absorb impact energy effectively.
3. Contingut del paquet
Your Decathlon ROCKRIDER EXPL 100 Mountain Bike Helmet package should contain the following:
- 1 x ROCKRIDER EXPL 100 Mountain Bike Helmet
- Aquest manual d'usuari
4. Muntatge i ajust
Proper helmet fit is critical for safety. Follow these steps to ensure your helmet is correctly adjusted:
- Posicionament: Place the helmet squarely on your head. It should sit level, covering your forehead, and not be tilted back or forward. The front edge should be about two finger-widths above your eyebrows.
- Retention System Adjustment: Locate the tightening knob at the back of the helmet. Turn the knob clockwise to tighten the retention system until the helmet feels snug and secure without being uncomfortably tight. The helmet should not move excessively when you shake your head.
- Side Strap Adjustment: Adjust the side straps so that the strap dividers sit just below your ears. The straps should form a "V" shape around your ears. Ensure the straps are not twisted.
- Chin Strap Buckle: Fasten the chin strap buckle. Tighten the chin strap so that it is snug under your chin. You should be able to fit one or two fingers between the strap and your chin, but no more. The helmet should not be able to roll forward or backward off your head.
- Comprovació final: With the chin strap fastened, try to roll the helmet off your head from front to back and side to side. If it moves significantly, readjust the straps and retention system until it remains firmly in place.

Image: Enhanced Stability. This image demonstrates how to use the tightening knob at the back of the helmet to achieve a secure and stable fit.
5. Operating (Wearing the Helmet)
Once your helmet is properly adjusted according to the "Fitting and Adjustment" section, wearing it correctly is straightforward:
- Always wear your helmet for every ride, regardless of distance or terrain.
- Ensure the helmet is level on your head, covering your forehead.
- Double-check that the chin strap is securely fastened and snug.
- Avoid wearing anything under the helmet that could interfere with its fit or protective function, such as thick hats or headphones.

Image: Optimal Airflow. This image highlights the helmet's ventilation system, featuring 15 air channels designed to provide optimal airflow and comfort during rides.
6. Manteniment i cura
Proper maintenance will extend the life of your helmet and ensure its continued effectiveness:
- Neteja: Clean the helmet using only a soft cloth, mild soap, and water. Do not use harsh chemicals, abrasive cleaners, or solvents, as these can damage the helmet's materials.
- Assecat: Allow the helmet to air dry completely after cleaning. Avoid direct sunlight or high heat, which can degrade the materials.
- Emmagatzematge: Store your helmet in a cool, dry place, away from direct sunlight and extreme temperatures. Do not store it near heat sources or in areas where it could be exposed to chemicals.
- Inspecció: Regularly inspect your helmet for any signs of damage, such as cracks in the shell, frayed straps, or degraded padding. If any damage is found, replace the helmet immediately.
7. Solució De Problemes
- El casc sembla fluix: Re-adjust the retention system knob and side/chin straps as described in the "Fitting and Adjustment" section. Ensure all straps are snug.
- Helmet feels too tight or uncomfortable: Loosen the retention system knob and re-adjust the straps. Ensure you have selected the correct size (M or L).
- Helmet moves around: This indicates an improper fit. Re-check all adjustment points: retention system, side straps, and chin strap. The helmet should not shift significantly when you move your head.
- Straps are twisted: Unbuckle the chin strap and untwist the straps. Ensure they lie flat against your skin.
8. Especificacions
| Nom del model | EXPL 100 |
| Marca | Decathlon (ROCKRIDER) |
| Color | Blau |
| Mides disponibles | M, L |
| Usos recomanats | Cycling, Mountain Biking |
| Compliment | EN1078 European Standard |
| Pes de l'article | 340 grams |
| Dimensions de l'article | 18 x 12 x 0.2 Centimeters (Packaging/Product dimensions, refer to actual product for helmet dimensions) |
| Fabricant | Decathlon Sports India Pvt Ltd |

Image: EN1078 Compliance. This image confirms the helmet's adherence to the EN1078 European Standard, highlighting its features like a greater field of vision, shock-absorbing properties, and a reliable retention system.
9. Garantia i Suport
Your Decathlon ROCKRIDER EXPL 100 Mountain Bike Helmet comes with a 2 any de garantia from Decathlon Sports India Pvt Ltd, covering manufacturing defects. Please retain your proof of purchase for warranty claims.
For any support, questions, or warranty claims, please contact Decathlon Sports India Pvt Ltd directly. Contact information can typically be found on their official weblloc web o al rebut de compra.