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Helmets & Protective Gear
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Helmets
Bontrager Circuit
matte black large (60-64cm)
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Description
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Part Numbers
All Colors/Sizes
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Styled for maximum airflow and go-fast good looks, the lightweight, 21-vent Circuit was designed using Computational Fluid Dynamics, for an air-gobbling shape that delivers superb ventilation and unbeatable air flow.
Features
Lightweight road helmet for superior performance
21 CFD software enhanced vents for maximum airflow and efficiency
Premium, wicking fit pads
One-hand adjustable Zip-Tite fit system
Three sizes assure the best fit
In-molded strap retention system with Lockdown strap adjusters
Color
Matte Black
Helmet Type
Road
Logo
Bontrager Logo
Retention System
W/Zip-Tite Fit System
Size
Large (60-64Cm)
Sizing Pads
Premium Pads
Vents
21 Vents
BikePedia Item ID:
665996
Mfr's Part #:
420672
UPC:
GTIN:
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Additional Items
MPN
UPC
Item ID
Gray/Red/White
Large (60-64Cm)
420675
666087
Gray/Red/White
Medium (56-60Cm)
420674
666059
Gray/Red/White
Small (52-56Cm)
420673
666038
Matte Black
Large (60-64Cm)
420672
665996
Matte Black
Medium (56-60Cm)
420671
665961
Matte Black
Small (52-56Cm)
420670
665954
White/Silver
Large (60-64Cm)
420677
666192
White/Silver
Medium (56-60Cm)
420682
666164
White/Silver
Small (52-56Cm)
420676
666143
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