SCIFIT recumbent bikes feature a true adjustable step through that adjusts up to a full 23 inches for safe and easy access. SciFit ISO1000R Recumbent Bike - Standard Seat Features: True step-through design with expandable seat clearance provides easy access Iso-Strength for safe, accommodating resistance Very low starting resistance with 191 levels of resistance Custom 3-piece crank system with oversized pedals Premium seat features height adjustment, swivel and recline Optional adjustable cranks Pedal in forward direction only Standard Seat Just the essentials here. The Standard seat features the same great shape, base and design as the Premium seat with basic adjustments. Ideal for settings where minimal user supervision is provided. Forward and back adjustability only. 360 Therapist Assist Pedals let you adjust forward/back from any point around the equipment. Integrated handle one seat back makes it easy to remove the seat on products with direct wheelchair access. Premium upholstery for comfort and durability. Custom seat shape to reduce hamstring interference and provide lumbar support. Seat size is equivalent to former bucket seat. 500 lb. user weight capacity.