WATCH: Brazen thief captured trying to steal racing bike

London - A rear dashcam captured the footage of a persistent thief trying to steal a bicycle from the back of car until he eventually gives up after struggling to untie the cycle.

The video posted online, shows the thief trying to remain stealth in his pursuit of the bicycle despite many onlookers in vehicles spotting the relentless crook.

READ: WATCH: SA thief steals car battery in 33 seconds 

The footage shows the alleged thief trailing the vehicle and attempting to get the bicycle off the rbike rack every time the car stopped. The driver of the vehicle eventually realises the activity at the back of the car and tried to get away while the thief continued his attempt to steal the racing bicycle. 

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Watch the video below: