‘Do you need a front brake?’

A cyclist who hit and killed a HR executive while riding an Olympics-style track bike without a front brake has claimed he had no idea it could not be legally ridden on public roads. Charlie Alliston, 20, was pedalling at nearly 20mph on the Planet X ‘fixie’ when he collided with mother-of-two Kim Briggs, 44, as she tried to cross the road on her lunch break in busy Old Street, central London on 12 February 2016. Ms Briggs, who had…