Gilles Coustellier

Gilles Coustellier (born 13 May 1986 in Martigues, France) is a French mountain bike trials cyclist. He specialises in 26-inch trials but has also competed in 20-inch trials. Coustellier was UCI junior world champion in the 20-inch category in 2002 and then in the 26-inch category in 2003. In the UCI elite 26-inch category he has been world champion five times, more than any other rider. Competing with the French team he was in 2011. Gilles is the younger brother of , who is also a trials rider.

Gilles Coustellier

Gilles Coustellier (born 13 May 1986 in Martigues, France) is a French mountain bike trials cyclist. He specialises in 26-inch trials but has also competed in 20-inch trials. Coustellier was UCI junior world champion in the 20-inch category in 2002 and then in the 26-inch category in 2003. In the UCI elite 26-inch category he has been world champion five times, more than any other rider. Competing with the French team he was in 2011. Gilles is the younger brother of , who is also a trials rider.