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Nutcase Mini Dots Bike Helmet

The Nutcase Mini Dots Bicycle Helmet offers secure protection and it's designed to match your unique style.

Nutcase Helmet-Mini Dots (GEN3)

If you're going to wear a helmet, why not have some fun and infuse your personality into it? Nutcase helmets are the perfect solution for those who refuse to sacrifice style for safety and feel put off by the aggressive nature of most sports helmets.

We're excited by the Gen3 Nutcase helmets. The Gen3 helmets include several new innovations; sizing is better, ventilation improved and they are lighter in weight. Each Gen3 helmet includes 360 degrees of reflectivity, a detachable visor and a removable spin dial to ensure your helmet keeps you safe and fits to perfection.

Helmet Size Recommendations

The guides below offer size suggestion by brand based on head circumference. To measure your head circumference, place the tape measure slightly above the ear and bring it across the mid forehead completely circling the head about 1 inch above the eyebrows. Take several measurements to make sure you have the largest size. If you do not have a tape measure, use a string and measure it against a ruler. The charts below will assist you on which size is the best helmet fit. If a measurement falls in between a size, go up to the larger size.

Adult Helmets

Bern Lenox
Helmet SizeHead Circumference
XS / S 20.4 - 21.9 cm
M / L 22 - 59 cm
Bern Watts
Helmet SizeHead Circumference
S / M 54 - 57 cm
L / XL 57 - 60.5 cm
XXL / XXXL 60.5 - 63.5 cm
Giro Reverb
Helmet SizeHead Circumference
S 51 - 55 cm
M 55 - 59 cm
L 59 - 63 cm
JB Carrera
Helmet SizeHead Circumference
M 55 - 58 cm
L 58 - 61 cm
Helmet SizeHead Circumference
S 52 - 56 cm
M 56 - 60 cm
L 60 - 64 cm
Triple Eight
Helmet SizeHead Circumference
XS / S 48 - 54 cm
S / M 55 - 58 cm
L / XL 59 - 61 cm

Kids Helmets

Lil 8 Kids
AgeHead Circumference
Toddler - 5 46 - 53 cm
Nutcase Little Nutty
AgeHead Circumference
Toddler - 5 48 - 52 cm
Nutcase Baby Nutty
AgeHead Circumference
1 Year + 47 - 50 cm
  • Durable ABS shell Protective EPS inner foam lining
  • Crumple zones in external EPS to help disperse energy in the event of a crash
  • Improved ventilation by adding air channels in EPS Front, top & back venting
  • Adjustable chin strap with magnetic buckle means no pinching
  • Adjustable/removable spin dial gives a snug & comfortable fit
  • Detachable visor shields you from sun and rain
  • An extra set of foam pads to give you the perfect fit
  • 360 degrees of reflectivity
  • Dual Certified: Certified by both the CPSC for cycling and ASTM F1492 for skating standards

How Do We Ship? We ship via UPS. Signature is required.

Where do we ship? We currently ship within the continental US. If you can’t wait and need it now, call our stores to see if we have your items in stock.

When will I get my order? The processing time depends on several factors but here’s what you can expect for standard (non-peak season) orders:

  • Standard Ground: 7 – 10 business days
  • UPS 3-Day Select: 3 business days + 1 day for processing
  • UPS 2-Day Air: 2 business days + 1 day for processing
  • UPS Next Day Air Saver: 1 business day + 1 day for processing
Please head to the Ordering section of our Customer Service page for complete order shipping details.

Returns: We accept returns on items in new condition within 30 days. In order to avoid shipping damage, please make sure to package your order in the same manner as you received it. You will need to pay for the cost of return shipping, but we will gladly ship any exchanged merchandise free of charge. Final Sale items may not be returned.

Please head to the Ordering section of our Customer Service page for complete item return details.

Need help?: Head first to our Customer Service page where we answer common questions about your account, placing orders and general maintenance.

Still have questions?
Give us a call at 1-888-450-0123.

Monday to Friday, 10:00 am – 6:00 pm, and Saturday from 10:30 am – 4:30 pm PT.

Send us an email at customerservice@publicbikes.com.

On the weekdays we’ll respond within 24 hours.

Ready to Ride Shipping
Be on the road in 10 minutes
We ship your bike 99% assembled. Once it lands on your doorstep, from box to quick assembly by you, we estimate you'll be on the road in 10 minutes.


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