This classic French steel chassis from Motobecane is designed specifically for 650B wheels, making it an excellent foundation for an authentic touring bike project. Engineered during the golden era of French cycle manufacturing, this durable steel frame offers the traditional compliance and longevity required for fully-loaded randonneur journeys or vintage-style commuting.
Key Mechanical Characteristics
Constructed with durable steel tubing, this frame features a 50cm seat tube (measured from the bottom bracket center to the top of the tube). Designed for classic cantilever or caliper setups, it provides the stable geometry and reliable handling characteristic of vintage Motobecane touring bike frames. If you are planning a complete classic build, you can also view our ARROW 650 touring bike frame as a complementary reference for classic geometry.
The frame exhibits normal cosmetic signs of age, including surface paint patina and light oxidation, typical for a used vintage bicycle frame. The detailed product photographs serve as the primary visual description of the structural condition, paint finish, and lug detailing.
Technical Specifications
- Frame Size: 50 cm
- Total Frame Weight: 3895 g
- Rear Dropout Spacing: 121.5 mm
- Wheel Size Compatibility: 650B
- Bottom Bracket Threading: French standard (BSFF)
For comparative sizing or slightly larger vintage builds, you might also be interested in exploring the Motobecane Vitus 172 frame to find the ideal match for your specific restoration metrics.
FAQ
What is the rear dropout spacing of this Motobecane frame?
The rear dropout spacing is exactly 121.5mm, which is standard for classic French multi-speed hubs from this vintage era.
What wheel size is this frame designed for?
This Motobecane touring bike frame is designed to accommodate 650B (584mm) wheels.
What type of bottom bracket thread does this frame use?
This frame utilizes a French bottom bracket threading standard (BSFF).
