Questions tagged [wheel-lock]

For questions about wheel locks, also known as O-locks, ring-locks or frame locks. These are low security locks on the frame that immobilise the rear wheel by putting a steel bolt between the spokes. Common in Scandinavia, the Netherlands, Germany, China, India and Japan.

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How can I avoid tearing the valve loose from an inner tube with a wheel lock?

The problem It sounds foolish, but I have too often torn the valve loose from the inner tube by rotating the wheel so that the valve is pressed against a closed wheel lock. Wheel locks are common in ...
PJTraill's user avatar
  • 221
4 votes
3 answers
4k views

Are modern frame locks "safe"?

In the older days I remember that frame locks were soldered onto the frame, but today they seem to be just screwed onto it (example film of installation can be found here). Doesn't this open for the ...
skyking's user avatar
  • 141