A cyclist was stopped by police for not wearing "the right road bike clothing".
Tim Burton, 25, said he was pulled over in Keynsham on Wednesday for "not wearing Lycra".
He tweeted: "The PC said I wasn't dressed in appropriate gear to be riding my bike so had I stolen it?"
PC Keith James, from Avon and Somerset Police, said he stopped Mr Burton because it was "unusual to see an expensive bike being ridden by someone in non-cycling clothes."
Police said bike thefts were a priority in the area following a number of garage and shed robberies.
Referring to social media reaction to the check, a force spokesman said: "There's been quite a lot of Twitter activity after one of our officers stopped and checked a cyclist in Keynsham - for not wearing the 'right' road bike clothing."
He said after carrying out a background check on the bicycle's frame number the officer had "waved him on his way".
Mr Burton tweeted: "It is nice to see them looking out for pinched bikes, I told the PC I appreciated it."