FeaturesV-shaped frame to accommodate riders of all body shapes and sizesMagnetic resistance for a smooth and quiet workoutInfinite incremental resistance changesRear-wheel design for protection from sweat and corrosionTransport wheels for ease of transportRevolutionary re-designed Keiser Bike PedalSelf-tensioning, zero maintenance Poly-V belt drive for low maintenance and reliabilityRobust adjustment knobs that require less maintenance than cam-locksFour-way adjustable seatTwo-way adjustable handlebarsStretch Pads, Water Bottle HolderKeiser education and certifications available