Bontrager Quantum Helmet


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Color: Black

  • Black
  • White

Size: Small

  • Small
  • Medium
  • Large
  • Xtra Large
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  • Versatile, all-purpose helmet with improved comfort and performance gives you everything you need and nothing you don’t.

    Performance and comfort for every rider

    The Quantum cycling helmet was built for riders who live active lifestyles. It keeps you protected and looks good doing it. With superior ventilation, excellent coverage and a removeable visor, Quantum is the go-to helmet no matter what type of riding you're doing.

    1. Intuitive one-handed Headmaster fit system adjusts height and circumference
    2. The in-mould composite skeleton allows a greater variation of vent shape and size
    3. The in-mould composite skeleton increases helmet integrity for larger vent variations
    4. Soft, comfortable and moisture-wicking washable helmet pads
    5. Removable snap-on visor and port covers provide multiple looks to fit your style
    6. Crash Replacement Guarantee provides free helmet replacement if involved in a crash within the first year of ownership

  • Size (head circumference) Medium (54-60 cm) Large (58-63 cm) X-Large (60-66 cm)
    Fit system Headmaster II Headmaster II Headmaster II
    Pad material Moisture wicking pads Moisture wicking pads Moisture wicking pads
    Buckle type Standard buckle Standard buckle Standard buckle
    Weight 345g 390g 405g

    **Trek Bikes reserves the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing.

    **Weights are based off pre-production products at time of publication. Weights may vary in final production.

  • Size Circumference

    51 - 57 cm

    20" - 22"


    54 - 60 cm

    21" - 24"


    58 - 63 cm

    23" - 25"


    60 - 66 cm

    24" - 26"

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