Cycling / Bicycle

🚴 Bicycle Wheels, Saddle, Pedals & Accessories

Long thin wire 200-300mm, small hexagonal nipples with internal threading, hollow axles with cam mechanisms, thin-wall tubing for cages/rails, small cleat plates

Design Principles

Material: Grade 9 (Ti-3Al-2.5V) is ideal for spokes — higher strength than CP-Ti, excellent cold drawability, 40% lighter than steel. Grade 5 for axles and pedal spindles.

Form: Wire drawing for spokes and saddle rails. Bar stock for axles and pedal spindles. Tube forming for bottle cages.

Engineering Trends

  • Process: Wire drawing to precise diameter +-0.02mm
  • Process: CNC swaging/j-bend forming of spoke ends
  • Process: CNC turning of axle/spindle profiles

Standards Reference

Standards: ASTM B863 Grade 9 wire / ASTM B348 Grade 5 axles, 100% tensile tested spokes, anodized

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