comeplay / hexati Precision aero Titanium bmx mid bottom bracket shell for Frame Builders 68/73mm | 41.2mm ID
Premium Titanium MID BB Shell for BMX Trials Frames - 68/73mm | 41.2mm ID
Product Description:
Forge Lighter, Stronger BMX Frames: Aircraft-Grade Titanium MID BB Shell
Elevate your custom BMX trials build with our precision-engineered MID Bottom Bracket (BB) Shell. Machined from aerospace titanium alloy, this essential frame component delivers unmatched strength-to-weight ratio and corrosion resistance for serious street and trials riders.
Key Features & Benefits:
✅ True MID BB Standard Compatibility: Features a critical 41.2mm internal diameter (ID)
✅ Ultra-Lightweight Durability: Aircraft titanium construction sheds grams while resisting impact deformation and fatigue better than steel or aluminum.
✅ Dual Width Options: Available in 68mm (standard BMX trials) and 73mm (reinforced/dirt jump compatible) shell widths.
✅ Weld-Ready Precision: CNC-machined surfaces ensure perfect alignment and clean DIY frame welding for custom bike builders.
✅ Performance Upgrade: Reduces frame weight significantly while maintaining critical BB stiffness for precise pedal control in technical sections.
Technical Specifications:
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BB Standard: MID
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Material: Grade 5 Titanium Alloy (Ti-6Al-4V)
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Internal Diameter (ID): 41.2mm
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Shell Widths: 68mm or 73mm
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Finish: Raw titanium (ready for welding/brushing)
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Compatibility: Designed for custom BMX frames, .
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