Thats bad luck...however it seems more like just bad technique
+1
You should try changing the tube on a Brompton. Bugger me, that is hard work. Luckily I have strong wrists. Well, one strong wrist anyway.
@Sam started
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+1
You should try changing the tube on a Brompton. Bugger me, that is hard work. Luckily I have strong wrists. Well, one strong wrist anyway.