Diadora x trivex plus mtb spd shoes the x trivex is designed to get down and dirty on mtb trails and it boasts a wealth of features that will keep you going either on or off the bike the x trivex features diadoras suprell tech upper as seen on many of their road shoes which gives it a supple and moulded feel around the foot the shoe is held in place by a 4 point closure system and the anti stretch fabric keeps the shoe feeling fresh and comfortable ride after ride the reinforced sole produc