Love training when you travel? Need an awesome warm-up and cool-down during weekends at the races? Want to crush that indoor bike trainer workout in a small living space? Meet the Omnium Over-Drive Portable Bike Trainer. The adaptable fork-mount design keeps the rear wheel on the bike and offers the most dynamic ride quality of any stationary bike trainer available. Plus the precision rollers and internal progressive resistance design is so quiet you’ll never disrupt the neighbors. When you’re finished, the elegant folding design hides it in its padded tote like it was never there. Dynamic, free-floating rear wheel design promotes the most realistic riding experience of any stationary bike trainer Patented, Internal Progressive Resistance via friction-less Eddy Current Parabolic, progressive resistance curve accurately simulates outdoor cycling (rolling wind resistance) Adaptable fork-mount and adjustable sled design (16”-29” wheels; Thru-Axle and QR compatible) Fork mount provides ample clearance for postmount and flatmount disc brake systems Lightweight design for a complete bike trainer system – 6.35kg Precision machined 4.25” aluminum rollers create a smooth and quiet ride 9mm Quick-Release adapter included Thru Axle: 12×100mm, 15×100mm & 15×110mm adapters included Cannondale Lefty 2.0, 20x100mm (BMX thru axle), and 8mm x 74mm (folding bike) available separately Adaptable to virtually any bike size and geometry Optional Sled Extension for bikes with longer wheelbase Maintenance-free resistance unit and roller bearings Includes heavy-duty travel bag for easy transport and storage Compatible with cycling apps: Zwift, The Sufferfest, TrainerRoad, Rouvy Virtual Power, vPower and Kinomap traditional trainer features* Airline carry-on luggage approved** *Requires ANT or BT rear wheel speed sensor **Omnium Trainers meet airline-specific carry-on and checked baggage transportation guidelines