BONTRAGER 420392 QUANTUM BLK - Cycling helmet
QUANTUM BLKCycling helmet
How to choose the right sizeThe Bontrager Quantum men's cycling helmet is available in four sizes for maximum customization to the shape of your head. The Quantum bike helmet model offers great ventilation, excellent head coverage and of course Bontrager out of the box comfort and incredible ease of use. A removable front visor adds usability to this helmet that feels equally at home in the field as it does on the road.
Product Details
- High ventilation, even at low speeds
- Excellent coverage
- One-hand adjustable Micro-Manager fit system
- Easy-to-use Lockdown adjustable side strap
- Removable helmet visor
- Shaped shell with internal reinforcements
| Sizes : | Bontrager S 50 - 56cm Bontrager M 54 - 60cm Bontrager L 58 - 64cm Bontrager XL 60 - 66cm |
| weight : | 330g |
Our offer from BONTRAGER includes a very wide selection of cycling components such as panniers, blinkers, mudguards, bike computers, tubes, grips, cranks, baskets, bike bottles, pedals, handlebars, handlebars, saddles, seatposts, forks, tires, wraps, horns, protectors, stands, tangle wheels.
From working out of his garage in California in the early 80's, Keith Bontrager has evolved into a globally respected manufacturer of the finest cycling accessories and components. Keith's mantra was simple: first, durable, second, lightweight.
| Size | S | M | L | XL | XXL |
| Shoulders | 93-97 | 97-100 | 100-104 | 104-108 | 108-112 |
| Waist | 77-81 | 81-85 | 85-89 | 89-93 | 93-97 |
| Hipps | 93-97 | 97-100 | 100-104 | 104-108 | 108-112 |
| Size | XS | S | M | L | XL | XXL | XXXL |
| Chest | 84-89 | 89-94 | 96-102 | 104-109 | 112-117 | 119-124 | 127-132 |
| Waist | 68-74 | 74-79 | 81-84 | 89-94 | 97-104 | 106-114 | 114-122 |
| Hipps | 84-89 | 89-94 | 96-102 | 104-109 | 112-117 | 119-124 | 127-132 |
Men's
| EU | 40 | 40.5 | 41 | 41.5 | 42 | 42.5 | 43 | 43.5 | 44 | 44.5 | 45 | 45.5 | 46 | 46.5 | 47 | 48 | 49 |
| US | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 |
| UK | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 |
| CM | 25.7 | 26 | 26.3 | 26.7 | 27 | 27.3 | 27.7 | 28 | 28.3 | 28.7 | 29 | 29.3 | 29.7 | 30 | 30.3 | 31 | 31.7 |
| insert (cm) | 25.0 | 25.3 | 25.5 | 25.9 | 26.2 | 26.5 | 26.9 | 27.1 | 27.4 | 27.8 | 28.1 | 28.3 | 28.7 | 29.0 | 29.3 | 29.9 | 30.6 |
Women's
| EU | 36 | 37 | 37.5 | 38 | 38.5 | 39 | 39.5 | 40 | 40.5 | 41 | 41.5 | 42 | 42.5 | 43 |
| US | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 |
| UK | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 |
| CM | 23 | 23.7 | 24 | 24.3 | 24.7 | 25 | 25.3 | 25.7 | 26 | 26.3 | 26.7 | 27 | 27.3 | 27.7 |
| insert (cm) | 22.4 | 23.1 | 23.4 | 23.7 | 24.0 | 24.3 | 24.6 | 25.0 | 25.3 | 25.5 | 25.9 | 26.2 | 26.5 | 26.9 |
Men's
| Size | XS | S | M | L | XL |
| Hand circumference | 15-16,2 | 16,5-19 | 19-20,5 | 20,5-23 | 23-25,5 |
Women's
| Size | XS | S | M | L |
| Hand circumference | 14,5-15,5 | 15,5-16,5 | 16,5-19 | 19-20,5 |
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