Specialized Hybrid bike aluminum frame size small /medium ( 5'3" to 5'8" ) bike comes with Shimano Deore 27spd trigger shifters , front shock with lockout , rear carrier , front fender , bottle holder , bike stand , calliper brakes , quick disconnects , 7000 x 42c tires good for road and Trail riding.Bike has just been tuned up and is in like new condition very good quality bike.