Massi's PULSE 1.1 Trainer is an essential tool for cyclists who want to keep fit indoors. With a resistant structure and glossy finish, this trainer is compatible with road and MTB bikes from 26 to 29 inches. In addition, it is foldable for easy storage and transport. Train anytime and anywhere with the PULSE 1.1 roller from Massi! Product: Roller Compatibility: Road / MTB 26 -´29" Model: Pulse 1.1 Compatibility: Road / MTB 26"-27.5"-29"