noun
track bicycle; fixed-gear bike
A bicycle designed for track racing, typically with a fixed gear and no brakes. In Japanese, it often refers to the bike itself, not just the rider.
wasei (Japanese coinage from French), from piste · wasei-eigo (Japanese-coined English), from racer
彼はピストレーサーで競輪場を走っている。
He is riding a track bicycle at the velodrome.
ピストレーサーはブレーキが付いていないので公道では走れない。
A track bicycle cannot be ridden on public roads because it has no brakes.