Carrera Vulcan 20inch Mountain Bike Bicycle Frame Fits 27.5Wheels Discbrake has marks and scratches to be expected but is still a nice looking fairly recent Frame. Comes with all parts seen in pictures. Seat post, Seat post Clamp. Shimano Altus x2 speed front derailleur. Shimano Crankset chainring x2speed with shimano Bottom Bracket. Rear Derailleur Hanger Bracket.