Police Scotland has failed to clear up nine out of ten bike thefts in the last three years.
This is in spite of 14,000 cases being reported during the period.
Lib Dem MSP Liam McArthur said: “It looks like criminals are getting a free ride under the SNP and Greens.
“Bike theft is disruptive and distressing for victims, and the vanishing chance of ever seeing the thief caught or punished simply makes that worse. It’s not surprising given how overstretched and underfunded the police are under the SNP.”
The low detection rates were contained in a freedom of information request.
Of the 13,959 thefts between January 2020 and December last year, 4092 were in Greater Glasgow.
Only eight per cent were ‘detected’, meaning there was enough evidence to justify criminal proceedings.