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Planet X

Helmets

OVERVIEW

EN 1078 Approved Cycling Helmets

 

Everybody should wear a bike helmet every time they go out on their bike. Whether you're just popping to the shops, going on the weekend club ride or hammering out the laps at a trail centre there's never a good reason not to look after your noggin.  Our Carnac and On-One helmets are packed with smart design features that make them a pleasure to wear.

From recreational Road Riding, to Racing, TT to Triathlon, XC MTB to Enduro you're sure to find the perfect helmet for every riding style. Tested and Approved to EN-1078 you can be sure that they'll offer protection for when the unexpected happens.

  • EN-1078 Approved Safety
  • Road & Offf-road Designs
  • Aero and TT Models
  • Temperature Regulating Ventilation
  • Stylish & Colourful Designs
  • Safety You Can't Afford to Be Without

View Range

Planet X

Helmets range

From £20.00
Carnac Croix SE Retroreflective Road Helmet
Carnac Croix SE Retroreflective Road Helmet

Stand out in the dark with Carnac's new retroreflective Croix SE road cycling helmet. Packed with all the features you need in a cycling helmet; protection, comfort, light weight and compact size the Croix SE Retroreflective Road Helmet also offers incredible visibility, helping you to stay safe in the dark.

  • Ultra Hi-vis retroreflective design
  • Multi-way size and tilt adjustability
  • Efficient venting for maximum cooling effect
  • Exceeds EN1078 industry standard safety standard

Measure around your head at the widest point to determine the size you need.

From £25.00
Carnac Croix SL Retroreflective LED Road Helmet

Stand out in the dark with Carnacs new retroreflective Croix SL LED road cycling helmet. Packed with all the features you need in a cycling helmet; protection, comfort, light weight, compact size, a super bright rear-facing LED light and Hi-vis retroreflective finish, the Croix SL LED Retroreflective Road Helmet also offers incredible visibility, helping you to stay safe in the dark.

  • Hi-power LED illumination and Ultra Hi-vis retroreflective design
  • Multi-way size and tilt adjustability
  • Efficient venting for maximum cooling effect
  • Exceeds EN1078 industry standard safety standard

Measure around your head at the widest point to determine the size you need

From £25.00
Carnac Notus 2 Retroreflective Road Helmet

We've taken our best-selling Carnac Notus cycling helmet, added out amazing ultra Hi-Vis retroreflective surface finish and made it even better than ever. Our 10/10 Gold Award winning road helmet is now smoother, sleeker and cooler than ever. With revised venting, reduced drag, improved cooling and visibility and all the protection you've come to trust.

  • Ultra Hi-vis retroreflective design
  • Race ready comfort and protection
  • EN-1078 approved
  • S / M - 56-58cm, L / XL - 58-61cm

From £25.00
On-One Enduro LED Retroreflective MTB Helmet

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

From £10.00
On-One Enduro MTB Helmet

Our best selling mountainbike helmet, unbeatable value, comfort and performance on the trails.

  • Extended rear coverage
  • Sizes: Small / Medium 55-59cm, Large / X Large 59-61cm
  • Weight: 345grams Med
  • EN 1078 approved

From £15.00
Carnac Podium SL Road Helmet

The Classic Teardrop bike helmet reinvented for a new generation of cyclists. Offering protection and comfort in equal measure the Carnac Podium cycling helmet mixes pro-peloton performance with everyday usability.

  • matchless comfort and protection
  • Computer modelled ventilation
  • Multi-way adjustability
  • Removable, Ag anti-bacterial treated pads

From £15.00
Carnac Notus Road Helmet

Carnac's Notus Road helmet mixes striking industrial design with sleek aerodynamics. The Notus uses three massive rear facing vents to offer maximum cooling without and still offering maximum protection. Scored 10/10 Gold Award BikesEtc Magazine

  • Race ready comfort and protection
  • Triple port rear ventilation
  • Perfect Fit, 3-way adjustability
  • Removable, anti-bacterial treated comfort pads
  • EN-1078 approved

From £49.99
Carnac Kronus Time Trial Helmet

Carnac's new Kronus Time Trial and Track Helmet provides wind-cheating aero performance with integrated ventilation and swappable visors for differing light conditions. Perfect for TT's on the road or flat out efforts on the boards the Kronus helmet is designed to offer maximum protection and PB smashing aero performance.

  • Minimum drag with integrated ventilation
  • Tru-Sight, Magnetically fixed visor. Clear lens included.
  • Perfect Fit, 3-way adjustability
  • Removable, anti-bacterial treated comfort pads

From £39.99
Carnac Croix SL LED Road Helmet

The Carnac Croix SE LED has all the features, function and great fit you need, in in a safe, comfortable, compact lightweight package.

  • Multi-way size and tilt adjustability.
  • In-Mould, hardshell construction over impact absorbing foam core.
  • Efficient venting for maximum cooling effect.
  • Exceeds EN1078 industry standard safety standard.
  • Just 230g in Size S.
  • Small / Medium 55-59cm.
  • Large / X Large 58-61cm.

Measure around your head at the widest point to determine the size you need.

From £10.00
On-One XC MTB Helmet

With the On-One XC helmet protecting your head there's one less thing for you to think about while you ride. Designed with XC racing and trail riding in mind this lightweight marvel offers all-round protection, massive ventilation and easy adjustment.

  • Lightweight protection and maximum ventilation
  • Durable, seamless, dual-shot, in-mould construction
  • 3-Way, height, tilt and circumference adjustment
  • Removable, anti-bacterial comfort pads

From £15.00
Carnac Notus Evo Road Helmet

The Carnac Notus Evo road helmet is an evolution of the multiple awards winning Notus Road Helmet. With an increased focus on aero performance, enhanced comfort and the best possible protection the Carnac Notus Evo is another sure-fire winner from Carnac's that destined to become a firm favourite with anyone who puts it to the test.

  • Aero proven
  • Race ready comfort
  • 3-way adjustability
  • Removable anti-bacterial pads

From £10.00
Carnac Croix Road Helmet

The Carnac Croix has all the features, function and great fit you need, in in a safe, comfortable, compact lightweight package.

  • Multi-way size and tilt adjustability.
  • In-Mould, hardshell construction over impact absorbing foam core.
  • Efficient venting for maximum cooling effect.
  • Exceeds EN1078 industry standard safety standard.
  • Just 220g in Size S.
  • Small / Medium 54-58cm.
  • Large / X Large 58-61cm.

Measure around your head at the widest point to determine the size you need.

From £15.00
Carnac Notus Race Road Helmet

The new Carnac Notus Race is the bike helmet of choice for many Holdsworth Pro Racing riders. With sleek good looks, huge adjustability and offering lightweight protection it's an obvious choice for any rider looking for an EN-1078 approved helmet.

  • Race ready performance and comfort
  • EN-1078 approved
  • Tilt and fit adjustability
  • 13 computer designed air-vents
  • Weight: <220g (Large size)
  • Small / Medium - 55-59cm
  • Large / X Large - 58-61cm

From £39.99
On-One Enduro LED MTB Helmet

On-One's Enduro MTB helmet is now available with an integrated rear-facing LED light.

  • Extended rear coverage
  • Durable, seamless, single-shot, in-mould construction
  • 3-Way, height, tilt and circumference adjustment
  • Removable, anti-bacterial comfort pads and fly mesh
  • Integrated multi-mode rechargeable LED light
  • Sizes: MED 55-59cm, LRG 58-61cm

From £29.99
Carnac Aero Road Helmet

Get the most out of every single watt and stay cool with the Carnac Aero Road helmet. Outrageous aerodynamic efficiency and reliable protection in a sleek, good looking package.

  • Watt saving, Aero Helmet design
  • In-Mould, Hardshell construction
  • Efficient venting for maximum cooling effect
  • Huge adjustability and versatility

From £15.00
Carnac Notus 2 Road Helmet

We've taken our best-selling Carnac Notus cycling helmet and made it even better. Our 10/10 Gold Award winning road helmet is now smoother, sleeker and cooler than ever. With revised venting we've reduced drag, improved cooling and kept the protection you've come to trust.

    Race ready comfort and protection
  • Quatro-porto rear ventilation
  • Perfect Fit, 3-way adjustability
  • Removable, anti-bacterial treated comfort pads
  • EN-1078 approved
  • Small / Medium - 56-58cm
  • Large / X Large - 58-61cm

From £15.00
Carnac XC MTB Helmet

With the Carnac XC helmet protecting your head there's one less thing for you to think about while you ride. Designed with XC racing and trail riding in mind this lightweight marvel offers all-round protection, massive ventilation and easy adjustment.

  • Lightweight protection and maximum ventilation
  • Durable, seamless, dual-shot, in-mould construction
  • 3-Way, height, tilt and circumference adjustment
  • Removable, anti-bacterial comfort pads.

From £10.00
Carnac Croix SE Road Helmet

The Carnac Croix SE has all the features, function and great fit you need, in in a safe, comfortable, compact lightweight package.

  • Multi-way size and tilt adjustability.
  • In-Mould, hardshell construction over impact absorbing foam core.
  • Efficient venting for maximum cooling effect.
  • Exceeds EN1078 industry standard safety standard.
  • Just 220g in Size S.

Measure around your head at the widest point to determine the size you need.

From £19.99
Carnac Kronus Time Trial Magnetic Tru-Sight Visor

Customize your Carnac Kronus TT/Track for every ride with our new swapable visor range. Built from optically clear polycarbonate and available in a range of tinted and mirrored finishes there's a perfect visor choice for every race.

  • Swapable visors, magnetic fixings
  • Vented design
  • Mirrored and clear options

From £19.99
AGU Civick Urban LED Helmet

The perfect helmet for urban cycling safety! With a removable red LED at the rear, which ensures increased visibility.

  • In-mold helmet
  • Equipped with removable LED rear light
  • Direct-dial system
  • Complies with the EN1078 standard

From £99.99
Limar SpeedKing 2.0 TT Helmet

Limar's Speedking 2.0 helmet has been raced by some of the best pro riders in the world. it's a regular at any grand tour TT stage.

  • Grand Tour proven design
  • Wind tunnel tested
  • Competition PLUS 3-way fit system
  • Magnetic buckle and antibacterial pads

From £15.00
Carnac Aura Road Helmet

Carnac's Aura Road helmet mixes striking industrial design with sleek aerodynamics. The Aura offers maximum ventilation for long days in the saddle and is packed with advanced design features and the most comfortable strap and adjustment system that we've ever designed. Scored 9/10 Gold Award BikesEtc Magazine Nov 2016

  • Race ready comfort and protection
  • Computer modelled ventilation
  • Perfect Fit, 3-way adjustability
  • Removable, anti-bacterial treated comfort pads

From £29.99
Carnac Notar SLA Superlight Road Helmet Includes Removable Aero Cover

Superlight by name and nature. Carnac's new superlight road cycling helmet, the Notar SL, blends sleek aerodynamics, good looks, huge adjustability and weighs just 185g. Ride it with or without the watt saving aero cover.

  • Removable Aero cover
  • Race ready comfort and protection
  • Computer modelled ventilation
  • Perfect Fit, 3-way adjustability

From £29.99
Carnac Impact Air Aero Road Helmet

Maximum protection, aero performance and removable visor functionality all wrapped up in a great looking helmet. The Carnac Impact Aero road helmet is perfect for racers who want aero performance but aren't willing to trade comfort to get there.

  • Integrated / removable aero visor included
  • Tinted black visor
  • Two shot construction
  • Computer designed venting
  • 3-Way adjustable occiptal cradle

From £29.99
Carnac Equinox Air Aero Road Helmet

The Caranc Equinox Air is a fast aero road helmet with a removable visor that makes it perfect for racers who want just one simple and effective helmet for road racing and TT comps.

  • Fast Aero Road Helmet
  • Removable TT visor
  • Computer modelled ventilation
  • Perfect Fit, 3-way adjustability

From £29.99
Carnac Quartz XC MTB Helmet

245 grams of MTB head protection never looked or felt so good. Carnac's new Quartz MTB Helmet allows you to forget about protecting your head so that you can concentrate on the ride.

  • Two-shot construction
  • Removable visor and adjustable comfort pads
  • Front facing bug net
  • SML-MED 54-58, L-XL 58-62

From £2.99
Carnac Helmet Spares

Spare parts for the Carnac Notus, Podium SL, Kronus, Aero Road and Aura helmets

From £5.99
Carnac Croix Road Helmet Spare Pad Set

Original equipment replacement comfort pad set for the Carnac Croix road cycling helmet.

  • OEM quality replacement pad set

From £2.99
Carnac Kronus Helmet Spare Dial & Cradle

Replacement Dial & Cradle for the Carnac Kronus TT helmet.

  • Fits all Kronus Helmet sizes
  • From £5.99
    Carnac Podium SL Helmet Spare Pad Set

    Spare pad set for Carnac Podium SL helmet, for both 54-58cm and 58-62cm size helmet.

    From £5.99
    Carnac / On-One XC MTB Helmet Spare Pad Set

    Replacement pad set for your favourite XC MTB helmet from On-One or Carnac.

    • OEM replacement pad set

    From £5.00
    On-One Enduro MTB Helmet Spare Pad Set

    OEM replacement pad set for the On-One Enduro MTB helmet.

    • Original equipment replacement pad set for Enduro helmet

    From £5.99
    Carnac Kronus Helmet Spare Pad Set

    Replacement Dial & Cradle for the Carnac Kronus TT helmet.

  • Fits all Kronus Helmet sizes
  • From £2.99
    Carnac Podium SL Helmet Spare Dial & Cradle

    Spare Dial & Cradle for Carnac Podium SL helmet, for both 54-58cm and 58-62cm size helmet.

    From £3.00
    On-One Full Face Helmet Spare Visor Screw

    Spare parts for our On-One Full Face Helmet range

    Sold individually

    From £0.99
    Carnac / One-One LED Helmet Micro USB Cable

    Carnac / One-One LED Helmet Micro USB Cable