X-Lite · X-803 RS Ultra Carbon
X-Lite X-803 RS Ultra Carbon 街跑蓝
Quick Facts at a Glance
Verified Safety Snapshot
How this helmet’s verified certifications map to recognized safety homologations and crash testing.
Safety standards compliance is based on official manufacturer documentation and public safety laboratory test results. Always verify regional compliance labels on the physical helmet prior to use.
Verified Fit & Sizing Guide
Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.
How to measure
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.
Design Concept & Background
"Safety First"
X-Lite X-803 RS Ultra Carbon 是顶级赛道性能的巅峰之作,专为追求无可妥协卓越表现的车手精心打造。采用高碳含量材质结构,在保证结构完整性和抗冲击保护的同时,实现了极轻量化的头盔外壳。其通过风洞测试精细调校的空气动力学外形,能有效降低风阻并提升高速稳定性,而集成可调节后扰流板则可实现个性化空气动力学调节。先进的 RAF(赛道气流)通风系统确保内部气候的最佳控制,通过多个进气口引导气流,在激烈运动中为车手保持凉爽。视野同样被放在首位,采用超宽防划伤面罩,提供广阔视野,并配备 Pinlock 准备系统,有效防止
X-Lite X-803 RS Ultra Carbon 街跑蓝 represents an empirical engineering balance between aerodynamic stability and high-absorption cranial protection. Developed under X-Lite's strict quality assurance standards in Italy, the shell profile is precision-molded to minimize high-velocity turbulent drag while maintaining comprehensive multi-axis impact attenuation.
Within the motorcycle segment, ergonomic weight distribution and acoustic insulation are paramount. The chassis geometry is tailored to distribute mass directly above the cervical pivot axis, counteracting high-speed buffeting and minimizing long-distance rider fatigue. Inspect the verified laboratory telemetry and structural analysis below for detailed performance parameters.
Key Highlights:
Rider Profile & Intended Use
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|---|---|---|---|
| Amazon (US) | 查看实时价格 | 在网站上查看 | 查看价格 → |
价格历史与趋势
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Product Concept & Specifications
X-Lite (Italy)Engineering & Biomechanical Safety Analysis
X-803 RS Ultra Carbon 星辰蓝采用轻质碳纤维外壳,提供卓越的安全性和空气动力学性能。具备先进的通风系统和舒适的贴合度,适用于赛道和竞技应用场景。
The X-Lite X-803 RS Ultra Carbon 街跑蓝 is engineered as a high-integrity motorcycle protective system, utilizing a structural shell constructed from Carbon Fiber. This structural layup is engineered to provide progressive kinetic energy dissipation during impact deceleration, distributing localized shock across outer lamina layers while minimizing deformation transfer into the internal multi-density EPS liner.
Certified to ECE 22.06, FIM protocols, the architecture is subjected to rigorous linear deceleration limits and oblique impact evaluations to mitigate rotational acceleration forces associated with diffuse axonal injury. For a deeper breakdown of rotational thresholds and impact testing speeds, consult our ECE 22.06 vs DOT vs SNELL engineering benchmark.
Internal geometry follows a Intermediate Oval cranial profile, designed to mitigate focal pressure hot spots across the parietal ridges while maintaining uniform radial clamping pressure along the zygomatic arch. Riders seeking optimal retention stability and break-in guidance should review the cranial aspect ratios and head shape guide as well as our 3D cheek pad density protocol.
Shell composite integrity and acoustic sealing are further optimized through channelized EPS porting and aerodynamic laminar profiling. To learn how shell composites resist stress cracking under prolonged environmental cycling, inspect the composite material comparative matrix.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Technology & Convenience
Interactive Size & Fit Finder
How to measure
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.
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Compatible Motorcycles for the X-Lite X-803 RS Ultra Carbon 街跑蓝
Aerodynamically sculpted for high-velocity chin-on-tank tuck, negative lift, and wide track peripheral visibility.
Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.