The incident took place 70km into the 160km route between Mugla Pamukkale as the two cyclists split from the peloton.
Gruzev was later suspended for his violent behaviour.
Video: Cyclists fight in middle of race
The incident took place 70km into the 160km route between Mugla Pamukkale as the two cyclists split from the peloton.
Gruzev was later suspended for his violent behaviour.
Kieran Francis is a senior editor at Sporting News Australia.