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Item # BEL007S Past Season Colors

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  • Retina Sear/Black Hyperdrive, L ($69.96)
  • Matte Black, S ($99.95)
  • Matte Black, M ($99.95)
  • Matte Black, L ($99.95)
  • Matte Black, XL ($99.95)
  • Red/Black Hyperdrive, S ($69.96)
  • Red/Black Hyperdrive, L ($69.96)
  • White Ombre, S ($99.95)
  • White Ombre, M ($99.95)
  • White Ombre, L ($99.95)
  • White Ombre, XL ($99.95)
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Item # BEL007S

The perfect solution to an imperfect world.

In a perfect world, we'd never sweat into our helmet's straps, regardless of the effort we're laying down. In a near-perfect world, we'd remember to occasionally take our helmets into the shower after long, hot rides to rinse the sweat out. In the real world, the above doesn't apply. That's why we heartily applaud Bell's decision to include the webbing of the sweat-resistant Lightweight Kit in the minimalist Overdrive helmet.

The real problem with sweat in a helmet is the unfortunate way that, over time, it can cause your chin strap to get stiff and smelly. Lightweight Kit's webbing avoids this by not soaking the sweat up, giving you more leniency between washings. It's also lightweight, which — along with the Overdrive's minimalist design — keeps the helmet within 45 grams of Bell's pro-level helmets. Its 19 body vents and Overbrow Ventilation also keep weight down, but we're more grateful for their cooling effect, which makes for less sweat that the Lightweight webbing has to dodge.

The Twin Axis Gear (TAG) fit system is another feature that puts the Overdrive in the same category as Bell's pro helmets. TAG uses the standard dial to adjust the circumference of the helmet's fit, and it also moves up and down in order to accommodate differing occipital lobes. It's not that any cyclists' heads are less perfect than any others, it's just that we're not all shaped the same. TAG's customizability means it provides a nearly perfect fit in all cases.

Bell finishes the frame's arms with a soft rubber casing. The arms are also positioned a little higher than usual, which makes for an easier time getting your glasses on without dismounting as you roll over the summit of a climb to start the descent.

  • Lightweight Kit with sweat-resistant webbing
  • Overbrow Ventilation
  • Twin Axis Gear fit system

Tech Specs

Shell Material:
Impact Foam:
19 vents, Overbrow Ventilation
Fit Adjustment:
TAG system
CE EN 1078, CPSC
Claimed Weight:
285 g
Recommended Use:
road cycling
Manufacturer Warranty:
1 year

Size chart


Head Circumference  20.5 - 22in
(52 - 56cm)
21.625 - 23.25in
(55 - 59cm)
22.875 - 24.375in
(58 - 62cm)
24 - 25.625in
(61 - 65cm)
21.25 - 24in
(54 - 61cm)
Reflex, Segment
Head Circumference  20.125 - 21.625in
(51 - 55cm)
21.625 - 23.25in
(56 - 59cm)
23.25 - 24.25in
(59 - 61.5cm)
Head Circumference  20.5 - 21.25in
21.625 - 22.5in
22.875 - 23.625in
Full-9, Transfer-9
Head Circumfernce 20.125 - 20.875in
(51 - 53cm)
20.875 - 21.625in
(53 - 55cm)
21.625 - 22.5in
(55 - 57cm)
22.5 - 23.25in
(57 - 59cm)
23.25 - 24in
(59 - 61cm)
24 - 24.75in
(61 - 63cm)
Head Circumference 19.75 - 22.5in
(50 - 57cm)
21.25 - 24in
(54 - 61cm)
How to Measure:
For best results, use a tape measure to measure around your head where your hat would fit comfortably.

Reviews & Community


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Great No-Frills Helmet

  • Familiarity: I've put it through the wringer

I really like this helmet. I replaced my Cat-like road helmet with this and this helmet feels much stronger and is more comfortable. I don't buy into the MIPS marketing, so this saves some weight with no MIPS and does not make me feel like there is a bug in my hair all the time with the MIPS liner pulling on my hair. Ventilation feels great and the new lighter straps are very comfortable. The helmet seems true to size. The only complaint is the color from the photo is a bit off and the Red helmet is actually quite a bit brighter than pictured. Hat size is a 7 1/8 and the medium fits well with a sweatband.