This is an Ammaco Summit bike for men in green and black. It has a hi-tensile steel dual suspension frame with zoom front suspension fork and rear suspension shock. It has front and rear V-brakes. It has 26 x 2.125 inch tyres with 26 inch wheels. It has a 24/34/42T triple chain set with 170mm cranks and Shimano TZ500 6 speed freewheel, Shimano front derailleur and Shimano tourney rear derailleur. Great mountain bike for use in all sorts of terrains and comfortable to ride as well. Even has reflectors on the front, back and wheels for safety in dimly lit conditions.