A rare lightweight foundation for your classic build, this CMB aluminium touring bike frameset offers an exceptional structural balance for cyclotourisme projects. With a total weight of 2855g (including fork), it provides retro cycling enthusiasts with a stiff and responsive vintage platform. This is a pre-owned item; minor cosmetic imperfections and storage wear may be present. Please note that the detailed photographs constitute a primary part of the product description, showing the exact condition of the surfaces and alignments.
Classic Geometry & Integration
Engineered for comfortable long-distance riding, this frame conforms to traditional square dimensions of 56cm for the seat tube and 56cm for the top tube. It features standard English threading on the bottom bracket shell, allowing for easy installation of reliable period-correct drivetrains. The fork steerer tube is threaded to standard specifications to receive classic quill stems. To begin building your retro-cockpit, check out our compatible GUID Vintage Alloy Handlebar or pair it with the Vintage Phillipe Franco Italia Bicycle Handlebars for an authentic European finish.
Technical Specifications
- Matter: Aluminium
- Size: 56 cm
- Seat post (in mm): 25 mm
- Thread (bottom bracket): BC 1.37
- Thread (fork): 25.4x100
FAQ
What is the correct seatpost diameter for this CMB frame?
This frame requires a 25 mm diameter seatpost.
What type of bottom bracket thread does this vintage frame use?
The bottom bracket shell is threaded to standard BC 1.37 (English threading).
Are there any structural defects or cracks on this item?
There are no major structural defects or cracks. Any notable cosmetic storage marks are visible in the product photos, which form part of the description.
