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.
Product Details
Intuitive one-handed Headmaster fit system adjusts height and circumferenceThe in-mould composite skeleton increases helmet integrity for larger vent variationsRemovable snap-on visor and port covers provide multiple looks to fit your style
Crash Replacement Guarantee provides free helmet replacement if involved in a crash within the first year of ownership
Soft, comfortable and moisture-wicking washable helmet pads
The in-mould composite skeleton allows a greater variation of vent shape and size
Specifications
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
**Weights are based off pre-production products at time of publication. Weights may vary in final production.
**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.
Sizing Guide
Size
Circumference
S
51 - 57 cm
20" - 22"
M
54 - 60 cm
21" - 24"
L
58 - 63 cm
23" - 25"
XL
60 - 66 cm
24" - 26"
Terms & Conditions
Sale items are checked and are in good working condition.
Sale prices are final.
Due to the product shelf life and storage, there maybe be presence of blemishes on the product, this are all cosmetic defects and does not affect the integrity, functional and usability of the products. Products are otherwise in unused condition.
Strictly no exchanges or refund for discounted sale products
No warranty will be provided on flash sale products.