A Premium Double-Butted Italian Tubing Classic from France
This original Motobecane C5 chassis represents a highly sought-after collaboration of French frame-building expertise and premium Italian steel tubing. Crafted with Columbus Special double-butted tubing, it delivers an optimized strength-to-weight ratio for competitive vintage road cycling setups. Weighing in at exactly 2495 g (including the fork), this high-end chassis offers the stiffness and dampening characteristics prized by retro-cycling enthusiasts and collectors worldwide.
The frame geometry measures 52 cm from the bottom bracket center to the top of the seat tube, with a matching 52 cm top tube (center-to-center). It is engineered with a vintage rear dropout spacing of 125.8 mm, making it fully compatible with classic 5, 6, or early 7-speed freewheel hubs. Please note that the detailed photographs are a core component of this description, illustrating the precise cosmetic state and original decals of this pre-owned piece.
Technical Advantages & Specifications
Designed for high-performance builds, this frame features specific vintage standards that require period-correct components. For an authentic and period-accurate assembly, you can pair this frame with a high-end French seatpost like the JPR Jean Paul Routens Seatpost or explore other lightweight options like the Haral Columbus Frame if you require alternative frame measurements.
Technical Specifications
- Matter: Steel
- Size: 52
- Thread (bottom bracket): 35x100 "Swiss"
- Thread (fork): 25X100
- Pays d'origine: FRANCE
- Frame Weight: 2495 g (with fork)
- Seat Tube (A): 52 cm (C-T)
- Top Tube (B): 52 cm (C-C)
- Rear Hub Spacing: 125.8 mm
Assembly and Compatibility Notes
With its specialized 35x100 Swiss thread bottom bracket shell and French 25X100 fork steering column thread, this chassis is dedicated to authentic restorations. It is highly recommended to check thread tolerances before mounting vintage cups. Standard superficial storage marks and minor paint chips may be present, which are fully documented in the product gallery.
FAQ
What bottom bracket standard does this Motobecane C5 frame use?
This frame features a 35x100 mm Swiss threaded bottom bracket shell, which is common on high-end French bicycles of this era.
What is the exact tubing material of this frame?
The frame is constructed with premium Columbus Special double-butted steel tubing, offering lightweight performance at 2495 grams for the set.
What rear hub spacing does this frame accommodate?
The rear dropout spacing is 125.8 mm, designed for classic 5-speed, 6-speed, or early 7-speed vintage rear hubs.
Are there any structural defects or cracks on this frame?
No major defects or structural cracks are present. Minor cosmetic wear and storage marks can be verified directly in the product photographs.
