Casque de moyeu de roue de vélo à paroi mince ...
Key Technical Parameters:
• Series: Standard 45° Angular Contact design (e.g., 41 Series, 42 Series)
• Dimensions: Comprehensive range covering common standards (e.g., 1", 1-1/8", 1.5" steerer tubes). Specific ID/OD/Width available per model.
• Material: Standard: Chrome Steel (SAE 52100); Premium: Martensitic Stainless Steel (AISI 440C).
• Ball Material: Grade 10 Chrome Steel or Si3N4 Ceramic (upgrade option).
• Cage: Reinforced Nylon 66 or precision-stamped steel cage for stability.
• Seals: Dual-purpose low-friction rubber seals or metal shields.
• Pre-Lubrication: High-performance, waterproof lithium-based grease.
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