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Biltwell · Bonanza · Biltwell Bonanza

Biltwell Bonanza Street Grey

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Biltwell Bonanza Street Grey
Biltwell Bonanza Street Grey
Biltwell Bonanza Street Grey

Design Concept & Background

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Biltwell Bonanza Street Grey is a high-performance Open Face helmet engineered by Biltwell to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.

Rider Profile & Intended Use

Riding Style Commuter, Casual Riding
Helmet Category Open Face
Internal Fit Shape Intermediate Oval
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Where to buy

Best price $199.95 Amazon (US)
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Certified Biltwell Stores in US

Price History

Product Concept & Specifications

Biltwell (United States)

Engineering & Technical Analysis

The Bonanza utilizes a classic open-face shell molding technique that prioritizes structural rigidity through high-impact polycarbonate construction rather than modern aerodynamic streamlining. Its acoustic profile reflects the inherent trade-offs of an open-face design, offering superior situational awareness while maintaining ANSI Z90.3 certification standards for impact protection.

Fit & Shell Structure

Intermediate Oval Shape

Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.

[MATR.SHEL] Shell Construction ABS Outer structural material
[PHYS.MASS] Measured Weight 1000g (2.2) Approximate medium size weight
[COVG.YEAR] Warranty 2 Manufacturer coverage duration
[OPER.ROLE] Primary Use Case Commuter, Casual Riding Optimized riding orientation

Safety & Certifications

[SYS.CERT] Homologation ECE 22.05 Certified safety standard
[SYS.PROT] Rotational Protection None Mitigates rotational impact
[SYS.EQRS] Emergency Release Not Equipped Cheek pad quick removal
[SYS.LOCK] Retention Strap Double D-Ring Chin strap buckle style

Acoustics & Aerodynamics

92 dB
Acoustics
6 /10
Ventilation

Quiet Index: Superior sound damping and isolated ear cavity structures. Good flow balance utilizing EPS exhaust ports.

[AERO.TEST] Wind Tunnel Tested No Optimized shell aerodynamics
[VISR.FOG] Pinlock Tech Not Included Anti-fog shield insertion

Technology & Convenience

[SYS.COMM] Comms Integration Generic Speaker Cutouts Intercom cutout availability
[FIT.GLASS] Glasses Friendly No Inner lining eyewear grooves
[VISR.SYS] Visor Shield Tech Single Visor Integrated drop-down sun visor
[FIT.LINR] Removable Interior Partial / Fixed Washable lining modules

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