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Please note: We have been advised by our couriers of delays beyond our control to European Destinations & that orders may take a little longer than normal for orders to arrive at European destinations. We are sorry for any inconvenience..

1 Review

Our best-selling mountain bike helmet offering unbeatable value, comfort and performance on the trails is now available with an integrated rear-facing LED light and ultra Hi-vis retroreflective surface finish. It's bound to help you stay safe on the trails.

  • Ultra Hi-vis retroreflective design with rechargeable LED light
  • 3-Way, height, tilt and circumference adjustment
  • Weight: 345grams Med
  • EN 1078 approved Full Description
From £34.99



Small / Medium (55cm-59cm)
Lots in stock £34.99
Large / X-Large (59cm-61cm)
Lots in stock £34.99

At On-One we don't believe that you should put a price on protection and that's why all of our helmets are fairly priced.

Our newly introduced retroreflective helmets use the same Hi-vis retroreflective technology that you can find in the latest cycle commuter jackets. They use their amazing glow-in-the-dark ability to remain highly visible in all lighting conditions, helping you to stay safer on every ride. We've added a multi-mode LED light into the back of the On-One Enduro helmet as well. It's perfect for staying safe on the road ride home after a long session and useful for anyone following you down the trails as you form that train. USB rechargeable, this is a great addition to an already brilliant helmet.

In-Mould construction implants all the anchor points for the straps into hidden fixings embedded within the EPS core of the helmet for maximum strength and durability. Single Shot construction co-moulds the hardened outer shell and the EPS core in a single process, fusing them together for a seamless, sleek bond. Our low friction, abrasion resistant PET Hardshell outer is designed to slip and slide in the event of a crash; helping to minimize the risk of torsion injuries.

With a 3-way adjustable occipital cradle and easily adjustable internal padding you're sure to find the perfect fit. A new cradle design offers a larger range of adjustability with tilt, height and circumference adjustment.

Maximum ventilation to keep you cool on even the hottest days is ensured by 16 air vents and a carefully sculpted front visor that directs airflow through the front of the helmet, we won't let you overheat on the uphills!

A correctly adjusted chinstrap is an integral part of the safety provided by any cycling helmet. If your chin strap isnt correctly tensioned there is a risk that the strap may pull through the buckle. Always make sure that the chin strap is adequately cinched up every time you put your helmet on. A loose chin strap potentially reduces the effectiveness of your helmet.

If youve ever had a close call on your bike in the dark you should ride with an On-One Enduro LED Retroreflective road helmet.

  • Li-poly, USB rechargeable battery pack
  • Removable, anti-bacterial comfort pads and fly mesh
  • Sizes: Small / Medium 55-59cm, LRG 58-61cm, Large / X Large 59-61cm
  • Weight: 345grams Sm-Med
  • Extended rear coverage
  • Durable, seamless, single-shot, in-mould construction

Size guidance: To help choose the correct size helmet for your head measure around the widest part of your head, about an inch above your ears, with a soft tape measure, or piece of string.

Additional Information


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  • Richard B
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    This is the first bike helmet I've ever owned. I used it on a long ride yesterday on a sunny day and found it to be excellent. Great fit and comfortable. The reflective glittering surface is brilliant. The light is a fantastic feature and very bright. I never thought I'd feel happy wearing a bike helmet but with this I feel fine. Great value for money too.

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