SPIKE Race 2 Road Bike Stem – Adjustable 50mm Red Carbon Fiber
$12.67
Description
High-Performance Road & Mountain Bike Stem
Engineered for precision and durability, this forged aluminum stem combines advanced manufacturing with rider-centric design. Ideal for competitive cyclists (road/gravel/mountain) seeking lightweight reliability for daily commutes or endurance events.
Core Advantages
✅ 2D Forged MGR Alloy – Proprietary metal grain realignment process increases tensile strength by 18% vs standard tubing
✅ Stress-Optimized Clamp Zones – Chamfered 60° contact surfaces distribute pressure evenly across handlebars (31.8mm compatible)
✅ Military-Grade Finish – Triple-layer shot-peened anodization resists road grime & UV fading (5-year corrosion warranty)
Technical Specifications
– Stack Height: 35mm (ISO 6353 standard)
– Weight Options: 150g (35mm) / 180g (50mm)
– Included: 5mm titanium spacer (lighter than steel by 40%)
– Dimensions: 1-1/8″ steerer clamp / 50mm reach (adjustable clamp position)
Performance Benefits
🔹 Reduces handlebar flex by 22% through optimized clamp geometry
🔹 Maintains precise steering feedback even at high-speed descents
🔹 Laser-engraved logo withstands repeated cleaning cycles without fading
Competitive Comparison
| Feature | Standard Stems | This Model |
|---|---|---|
| Weight Efficiency | Basic CNC trimming | CNC microcellular |
| Clamp Durability | 50k cycle rating | 200k cycle rating* |
| Heat Dissipation | Standard aluminum | Turbulent airflow |
| Compatibility | Single size | Works with all major headset standards (threaded/Threadless) |
*Tested under ISO 4210 cycling component standards
Perfect upgrade for Shimano Ultegra/SRAM Force-equipped bikes or vintage steel frames needing modern compliance. The integrated spacer eliminates stack height guesswork during assembly.
