Package includes user guide and setup tools needed, just simple steps to set this trainer up, still have difficulty in setups welcome to e-mail us, we have customer service people helping you. Any problem, advice, dissatisfaction please tell us, we will solve the problem until you feel happy. Deuter bike trainer fits for bike tire size 26” /27.5”/28” including 700c wheels, no matter city bike, mountain bike or road bike. You just need to confirm your bike tire size is between 26-28” or 700C, others are not important Bikes with quick release structure works, bikes only have bolts on rear wheels also works (some old model bikes don’t have quick release structure). Package includes -x1 Bike trainer -x1 Quick release skewer -x1 Front wheel riser block -x1 User guide & setup tools