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Sinclair A-FRame Folding Bike

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Sinclair A-FRame Folding Bike

Old 07-05-21, 02:00 AM
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Sinclair A-FRame Folding Bike

I am trying to renovate this bike, another unique design by Sir clive Sinclair, which turns out to be more like repairing a hoover, because of all the plastic covers and bolts.

It is very unusual, with 2 tiny drive chains to make the bend from pedal to tiny rear wheel.

The main problem is the rear brake cable. This was completely jammed, and on disassembly I found two brake cables, connected by a slide. I don't know if this is original, but the wires were so corroded I could not work out where the slide is supposed to be i.e. the correct length of each cable. I assume the slide, which is 50mm long an has two channels - one for each cable. It must be connected to the folding process, but although I have found the user manual, this does not cover brake cable replacement.

Has anyone had exprerience of this bike. PDF attached with user manual.
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Old 07-05-21, 12:49 PM
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I see no pdf.
Originally Posted by Retro Grouch View Post
Fenders protect you from tire splatter. Mudguards protect you from tyre splatter.

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