Conquer Pro Indoor Bike Trainer Exercise Machine 5 Speed Variable Magnetic Resistance DURABLE: Made of Hi-Tensile Steel MULTI SPEED: Remote Shifter for quickly changing progressive level magnetic resistance STABLE: Extra wide frame provides maximum stability VERSATILE: Compatible with 26 in., 27 in. and 700c bike, must have quick release wheel Front Wheel Riser Block Included! Simple to assemble, all tools included Made from durable hi-ten steel Remote shifter quickly changes the level of magnetic resistance Extra wide frame provides maximum stability Easy to fold for storage Compatible with 26 in., 27 in. and 700c bike that have a quick release rear wheel Rear wheel skewer is included (swap with quick release skewer on bike for trainer use) Skewer measures 7.5&#034; long. If your bike&#039;s skewer is any longer, or if your bike has more than 10 gears on the rear cassette, this skewer (and the trainer) may not work for you. Front wheel riser block levels bike and keeps front wheel stable You can work out at home, on YOUR bike. Stay dry, warm and weatherproof! There is no traffic, and no smelly vehicle fumes. Train for stamina, cadence, form and endurance. Develop core strength. Watch TVor stream a movie; catch up on podcasts while you ride. Bike trainers are portable. Put one anywhere in the house, garage, or on porch. Easy to take on vacation or work travel.