NUTCASESKU: 10001812

Color: Polka Face
Sale price$61.00

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NUTCASE Street MIPS releases new bicycle helmets every year that not only protect your head, but are stylish and make you want to wear them every day.

Find the design that best fits your mood in our stylish lineup.

What's MIPS?

MIPS stands for Multi-directional Impact Protection System, designed to provide increased protection to the brain against rotational motion transmitted to the head from various angles. Rotational motion is a combination of rotational energy (angular velocity) and rotational force from angular acceleration that affects the brain and increases the risk of mild and severe brain injury. The MIPS protection system has been proven to diffuse the energy and force transmitted to the brain, thereby reducing rotational motion.


  1. High-impact ABS plastic outer shell.
  2. The inner shell made of expanded polystyrene (EPS) protects the head from strong impacts.
  3. Fidlock®, a magnetic buckle that can be easily operated with one hand and does not pinch the skin.
  4. Two front vents, seven top vents, and two rear vents prevent head vapor.
  5. Shock-absorbing zones are used on the outside of the EPS to effectively absorb energy in the event of a collision. The shock-absorbing band effectively absorbs energy in the event of a crash and protects the head.
  6. Adjustable spin dial for easy and comfortable fit.
  7. Removable visor keeps the sun and rain out.
  8. Cushioned padding around the chin area of the strap.
  9. An inner pad set is included for optimal fit.
  10. Grooves on the inside of the EPS inner shell allow for better airflow.
  11. Reflective material is used on the front and rear NUTCASE logo areas. The NUTCASE logo is easily visible from all angles.

NUTCASE STREET S and M sizes are SG-marked helmets that have passed product safety standards and come with bodily injury liability insurancE

Size Chart

Head Size Street Helmet Size
52cm - 56cm 52cm - 56cm
S 53cm
56cm 56cm - 60cm

Sorry , we can't ship overseas

  1. We ship within 1-2 business days after receiving your order (payment). (Basically, orders placed before 12:00 p.m. are shipped the same day.)
  2. Messenger delivery is available within Nagoya City only.
  3. We ship every day from Monday to Sunday, except for temporary holidays.
  4. Available delivery areas: All over Japan and the world.
  5. Please note that delivery may be delayed due to credit card processing status. If you would like to specify the delivery date and time, please fill in your request in the additional information in the shopping cart.
  6. The product will be shipped from Circles.
  7. Please contact the shipping company in case of damage or loss during shipping.

Regarding the delivery of completed vehicles

  • Please note that a separate shipping fee of 6,600 yen (including tax) will be charged for shipping a completed vehicle.
  • After receiving your order, we will perform a final check and ship the completed car, but it may take 1-2 weeks. Please understand.
  • Some parts of the bike will be removed for packing. We strongly recommend that you have your bicycle assembled at your nearest bicycle store.
  • We will inform you of the delivery date and other details by e-mail.
  • We apologize for any sales discrepancies at the store.

Regarding the delivery of frame sets

  • Nationwide flat-rate shipping: 3,300 yen (tax included) (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
  • We will inform you of the delivery date and other details by e-mail.
  • We will provide the pre-treatment of facing and tapping for the frame sets purchased at our store as a service. We will inform you separately after purchase.
  • We can also install a headset and BB for a fee, so please feel free to contact us.

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