Please Note: This is just a shell (not a helmet)
Genuine Lazer Sport spare the Crazy Nutshell allows you to customise and modify the style and look of your Nutz helmet
Please note, all size information is provided as a guide - if you're unsure or need any further assistance you can call us on 01792 799508 ... we're happy to help!
All helmets we stock meet EU and international safety standards. High priced helmets are not necessarily stronger than an entry-level lid.
But, they will be more comfortable, lightweight and better vented. Premium lids come with more advanced features.
Measure your head size
Fit is essential for a comfortable ride. Wrap a tape measure around your head, just above your ears at the thickest part of your head.
Choose a helmet with plenty of vents to ensure you stay cool as you ride. Quality helmets use deep vents that connect to rear exhausts for maximum airflow.
Dial Fit Adjustment
Helmets with dial adjusters on the rear let you adjust the fit as you ride. The best dial adjusters are easy to use with one-hand so you can keep pedaling.
If you plan on commuting or riding on-road then look for helmets with reflective elements, bright designs or even integrated LED’s to improve your safety.
A small but useful feature is a removable visor. Great for mountain bikers, a visor can shield your eyes from glare, debris and rain.
Road bike helmets are lightweight with plenty of venting to keep you cool. Premium road helmets will come with aero profiling to help you slip through the wind.
MTB helmets are more durable with a thicker shell and good ventilation. You’ll find extended protection around the sides and rear of your head for maximum protection. Most come with a removable visor to protect against glare and debris.
Full Face Helmets
Full Face helmets offer the ultimate protection for downhill mounting biking. You get full side and rear coverage as well as a chin guard to keep your lower face shielded.
Skate helmets come with minimal venting in favour of a hardshell design offering side and rear protection. Great for the skatepark or pump track.
Urban helmets blend a hybrid of features from road and MTB helmet with added visibility for on-road safety. They are ideal for commuters.
MIPS is a new technology found on high-end bike helmets. It is a low friction layer inside the helmet that moves during rotational impacts. This movement reduces and slows energy being transferred to your head.
The idea behind MIPS is to reduce the risk of brain injury.
Many manufacturers have a Crash Replacement policy. If your helmet has been involved with a crash, you can buy a replacement at a reduced price.
Often crash replacement is available if your helmet is up to 3 years old and you’re a UK resident.
Check with the manufacturer of your helmet to see if you’re eligible for a discount.
We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE to mainland UK, regardless of the size and value.
Please note: bulky products and bikes shipped to outlying UK regions are excluded from free shipping - Click here for more info.
Christmas is one of the busiest time of year for us at Tredz. We will try our best to get your products delivered before Christmas. To help you, please see our last postage dates for first class and 24 hour courier services below:
Any order dispatched on the 22nd & 23rd December will be delivered between 28th December and 30th December.
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It’s easy to return a product with our 365 day, hassle free returns.
We will give you a full refund or exchange on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).
For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.
For more information please visit our Returns & Warranty page.