Bicycle Frame Design Analysis

Job ID: 39589983

Budget: $30 – $250 USD

I'm looking for a comprehensive analysis and design recommendations for a unique cargo bicycle frame. The bike will carry passengers and support a maximum weight of 100-150 kg.

Key tasks include:
- Calculate mechanical trail
- Determine geometry of handlebar and seating position
- Assess load balance for rider and cargo placement

Ideal skills and experience:
- Strong background in bicycle engineering design
- Proficiency in weight distribution and load analysis
- Experience with aluminum frame structures

Please provide detailed calculations and design suggestions.