The SportsArt Indoor Bike 510 has simple adjustment levers that lock into place quickly. It offers multi-position resistance with an easy to control knob and and emergency stop for safety. The whisper-quiet poly-v bet offers a smooth consistent motion. A fully-enclosed drive belt is protected from dust and debris and is safer for users.The seat post can accommodate any bicycle seat. Universal 9/16ths thread allows for after-market pedals including SportsArt's oversized quick-strap adjust pedal. Optional computer displays are cadence, heart rate, and training time.