Mountain bike, comprising: - a frame with rear dropouts for receiving a rear wheel's axle, a front fork with front dropouts for receiving a front wheel's axle, a bottom bracket shell for accommodating a spindle of a pedal set; - a rear wheel having its axle mounted in the rear dropouts; - a front wheel having its axle mounted in the front dropouts; - a pedal set comprising a spindle mounted for rotation in said bottom bracket shell, two cranks mounted at the opposite ends of the spindle, and two pedals mounted for rotation at the free ends of the respective cranks; - wherein the wheel radius R is in the range from 325 mm to 375 mm; - wherein the mountain bike further comprises a front wheel suspension that allows the front wheel to travel with respect to the frame between two extreme wheel positions having a vertical distance FST with respect to each other; - wherein the mountain bike further comprises a rear wheel suspension that allows the rear wheel to travel with respect to the frame between two extreme wheel positions having a vertical distance RST with respect to each other; characterized in that - each crank has a crank length L, measured between the rotation axis of the spindle and the rotation axis of the corresponding pedal, of 164 mm or less; - the bottom bracket shell has a Practical Bracket Height PBH of 294 mm or less, wherein the formula PBH = BH - β·(α·FST + (1-α)·RST) applies, -- wherein BH indicates the bracket height, measured as the distance between the rotation axis of the spindle and a line tangent to the rear wheel and to the front wheel; -- wherein α is a factor that indicates the ratio RB/RF, with == RF indicating the horizontal distance between rear axis and front axis, being the wheelbase, and == RB indicating the horizontal distance between rear axis and the centre of the bottom bracket shell, being the rear centre; == wherein α is between 0.3 and 0.45; -- wherein β is a factor between 0.15 and 0.25; -- wherein RST is equal to 100 mm or more; and -- wherein FST is equal to 100 mm or more. - a frame with rear dropouts for receiving a rear wheel's axle, a front fork with front dropouts for receiving a front wheel's axle, a bottom bracket shell for accommodating a spindle of a pedal set; - a rear wheel having its axle mounted in the rear dropouts; - a front wheel having its axle mounted in the front dropouts; - a pedal set comprising a spindle mounted for rotation in said bottom bracket shell, two cranks mounted at the opposite ends of the spindle, and two pedals mounted for rotation at the free ends of the respective cranks; - wherein the wheel radius R is in the range from 325 mm to 375 mm; - wherein the mountain bike further comprises a front wheel suspension that allows the front wheel to travel with respect to the frame between two extreme wheel positions having a vertical distance FST with respect to each other; - wherein the mountain bike further comprises a rear wheel suspension that allows the rear wheel to travel with respect to the frame between two extreme wheel positions having a vertical distance RST with respect to each other; characterized in that - each crank has a crank length L, measured between the rotation axis of the spindle and the rotation axis of the corresponding pedal, of 164 mm or less; - the bottom bracket shell has a Practical Bracket Height PBH of 294 mm or less, wherein the formula PBH = BH - β·(α·FST + (1-α)·RST) applies, -- wherein BH indicates the bracket height, measured as the distance between the rotation axis of the spindle and a line tangent to the rear wheel and to the front wheel; -- wherein α is a factor that indicates the ratio RB/RF, with == RF indicating the horizontal distance between rear axis and front axis, being the wheelbase, and == RB indicating the horizontal distance between rear axis and the centre of the bottom bracket shell, being the rear centre; == wherein α is between 0.3 and 0.45; -- wherein β is a factor between 0.15 and 0.25; -- wherein RST is equal to 100 mm or more; and -- wherein FST is equal to 100 mm or more. -- wherein BH indicates the bracket height, measured as the distance between the rotation axis of the spindle and a line tangent to the rear wheel and to the front wheel; -- wherein α is a factor that indicates the ratio RB/RF, with == RF indicating the horizontal distance between rear axis and front axis, being the wheelbase, and == RB indicating the horizontal distance between rear axis and the centre of the bottom bracket shell, being the rear centre; == wherein α is between 0.3 and 0.45; == RF indicating the horizontal distance between rear axis and front axis, being the wheelbase, and == RB indicating the horizontal distance between rear axis and the centre of the bottom bracket shell, being the rear centre; == wherein α is between 0.3 and 0.45; -- wherein β is a factor between 0.15 and 0.25; -- wherein RST is equal to 100 mm or more; and -- wherein FST is equal to 100 mm or more.