The presently disclosed invention is related to selectively adjustable resistance assemblies and methods of use for bicycles. An example device includes at least one flywheel rotated by a user operating pedals, a resistance assembly associated with the at least one flywheel, the resistance assembly configured to exert a resistance force that counteracts rotation of the at least one flywheel caused by the user using the pedals, a human machine interface that is configured to allow the user to select a first resistance level for the resistance force, a secondary resistance selector that allows the user to select a second resistance level for the resistance force, the second resistance level allowing for refinement of the resistance force, and a controller that selectively controls the resistance assembly to apply the resistance force based on the first resistance level and the second resistance level.

An improved exercise machine has a stationary longitudinal monorail structure that extends between front and back end stationary exercise platforms, and an exercise platform mounted on a levitated carriage that is reciprocally movable along the monorail between the stationary platforms. Magnetic elements arranged on various opposing surfaces of the carriage and monorail generate magnetic forces that levitate and stabilize the carriage as it moves relative to the monorail thus substantially eliminating contact friction. Springs selectively attachable to the movable platform provide a resistance force for exercising. Pseudo-levitation and eddy brake elements on the carriage and monorail structure further stabilize the carriage and platform.

A method of utilizing eddy currents to induce resistance that simulates and replaces physical weights in strength training exercise equipment includes a user moving at least one of a first member and a second member that supports magnets of alternating polarity, relative to each other bi-directionally. The bi-directional movement can be linear, radial, arcuate, or circular. The movement of the first member and a second member relative to each other induces in the first member eddy currents which resist the movement of the first member, the second member, or both bi-directionally.

A fan vehicle includes a driving wheel, a wind resistance wheel, a resistance unit and a power generating unit. The driving wheel can be driven by two pedals. The wind resistance wheel is connected to the driving wheel via a transmission unit in order to rotate synchronously. The resistance unit includes a mandrel, a flywheel installed on the mandrel and connected to the transmission unit, a magnetic ring mounted onto the flywheel and a magnet securement rack installed on the outer perimeter of the flywheel. One side of the magnet securement rack includes a plurality of magnets. The magnet securement rack can be pulled by a cable in order to change the distance of the magnets relative to the magnetic ring in order to adjust the magnitude of the magnetic resistance. The power generating unit is installed inside the flywheel.

A fan vehicle includes a driving wheel, a wind resistance wheel, a resistance unit and a power generating unit. The driving wheel can be driven by two pedals. The wind resistance wheel is connected to the driving wheel via a transmission unit in order to rotate synchronously. The resistance unit includes a mandrel, a flywheel installed on the mandrel and connected to the transmission unit, a magnetic ring mounted onto the flywheel and a magnet securement rack installed on the outer perimeter of the flywheel. One side of the magnet securement rack includes a plurality of magnets. The magnet securement rack can be pulled by a cable in order to change the distance of the magnets relative to the magnetic ring in order to adjust the magnitude of the magnetic resistance. The power generating unit is installed inside the flywheel.

Embodiments of a strength training apparatus and related methods are provided. In one embodiment, a strength training apparatus may include a first arm and a second arm each being configured to be selectively pivoted independent of each other at multiple angles relative to each other, a first pulley coupled to an end of the first arm, a first cable extending through the first arm and the first pulley, a second pulley coupled to an end of the second arm, a second cable extending through the second arm and the second pulley, and an electronic control panel configured to allow for multiple levels of resistance to a user pulling on the first cable and/or the second cable. The electronic control panel may include a processor and a memory configured to control a current level of resistance, an electronic input device configured to allow the user to set the current level of resistance, and an electronic output device configured to display the current level of resistance.

Embodiments of a strength training apparatus and related methods are provided. In one embodiment, a strength training apparatus may include a first arm and a second arm each being configured to be selectively pivoted independent of each other at multiple angles relative to each other, a first pulley coupled to an end of the first arm, a first cable extending through the first arm and the first pulley, a second pulley coupled to an end of the second arm, a second cable extending through the second arm and the second pulley, and an electronic control panel configured to allow for multiple levels of resistance to a user pulling on the first cable and/or the second cable. The electronic control panel may include a processor and a memory configured to control a current level of resistance, an electronic input device configured to allow the user to set the current level of resistance, and an electronic output device configured to display the current level of resistance.

A bicycle trainer including folding legs and a vertically adjustable frame member supporting an axle and cassette where a rider mounts the rear frame, such as dropouts, of a conventional bicycle with the rear wheel removed. The trainer includes a flywheel with a magnetic brake assembly controlled through an open protocol and configured to receive wireless transmitted signals from an app running on a smart phone or other such applications. The flywheel assembly also includes a bracket coupling the magnetic brake with a frame. A strain gauge is mounted on the bracket to detect torque, which is used to calculate a rider's power while using the trainer.

An indoor, stationary, bicycle training device that provides advantages over conventional designs of exercise bicycles is provided. The stationary bicycle may include a tilting/pivoting mechanism to orient the indoor bicycle to simulate descending or climbing. The indoor bicycle may include flexible and resilient frame elements to support the indoor training device to move side-to-side under some riding situations thereby simulating the side-to-side swaying motion of an outdoor bicycle under the same riding situations. The indoor bicycle may include several combinations of frame adjustments to provide configurable dimensions of the indoor bicycle to adjust the frame to properly fit the rider, which may be adjusted based on corresponding dimensions of a user's outdoor bicycle. Still other aspects of the stationary bicycle device may aid in creating an outdoor feeling while using the device.

An indoor, stationary, bicycle training device that provides advantages over conventional designs of exercise bicycles is provided. The stationary bicycle may include a tilting/pivoting mechanism to orient the indoor bicycle to simulate descending or climbing. The indoor bicycle may include flexible and resilient frame elements to support the indoor training device to move side-to-side under some riding situations thereby simulating the side-to-side swaying motion of an outdoor bicycle under the same riding situations. The indoor bicycle may include several combinations of frame adjustments to provide configurable dimensions of the indoor bicycle to adjust the frame to properly fit the rider, which may be adjusted based on corresponding dimensions of a user's outdoor bicycle. Still other aspects of the stationary bicycle device may aid in creating an outdoor feeling while using the device.