A London cyclist has warned fellow riders to beware of parking their bikes on bike racks that have gaffer tape on them – because thieves are using it to hide the fact that they have cut through the metalwork to make it easy for them to steal bikes.

Pictures of a Sheffield stand that had been subject to that exact treatment were posted to Twitter by Sarah King, a Labour councillor for South Camberwell in London.

She added that fellow Labaour councillor Mark Williams was in touch with Southwark council to have the stand removed.

Here’s road.cc’s bike locking tips – to which we’ve added this latest trick by would-be thieves.

> Beginner’s guide to bike security—how to stop bike thieves and protect your bike