Abstract: A bicycle trainer includes a base having a base portion and a standing portion, a supporting frame rotationally pivoted on the standing portion of the base around an axle, a cassette module mounted on the supporting frame and having multiple sprockets, and a flywheel module mounted on the supporting frame. A height adjusting member includes the standing portion, the supporting frame and a fixing element. The fixing element is placed in or between the standing portion and the supporting frame for keeping the supporting frame at a predetermined angle with respect to the standing portion.

Abstract: A bicycle trainer fastening device, disposed on a bicycle trainer, includes a hollow tube, a first fastening member and a second fastening member. The hollow tube includes a first assembly portion and a second assembly portion at two opposite ends thereof. The first fastening member is disposed correspondingly to the first assembly portion, and includes a first through opening correspondingly in communication with the hollow tube and having an aperture corresponding to an inserting shaft of a bicycle. The second fastening member is disposed correspondingly to the second assembly portion, and includes a second through opening correspondingly in communication with the hollow tube and an aperture corresponding to the inserting shaft. By selecting the first through opening and the second through opening corresponding to the shaft diameter of the inserting shaft and replacing the first fastening member and the second fastening member, the scope of applicability can be maximized.

Abstract: A bicycle trainer fastening device, disposed on a bicycle trainer, includes a hollow tube, a first fastening member and a second fastening member. The hollow tube includes a first assembly portion and a second assembly portion at two opposite ends thereof. The first fastening member is disposed correspondingly to the first assembly portion, and includes a first through opening correspondingly in communication with the hollow tube and having an aperture corresponding to an inserting shaft of a bicycle. The second fastening member is disposed correspondingly to the second assembly portion, and includes a second through opening correspondingly in communication with the hollow tube and an aperture corresponding to the inserting shaft. By selecting the first through opening and the second through opening corresponding to the shaft diameter of the inserting shaft and replacing the first fastening member and the second fastening member, the scope of applicability can be maximized.

Abstract: A bicycle trainer includes a base frame including a first pivot connection part, a damper unit mounted at the base frame, a support frame including a locating portion and a second pivot connection part, which is pivotally connected to the first pivot connection part of the base frame for enabling the support frame to be biased relative to the base frame in direction away from or toward the damper unit such that when the support frame is held in an inclined position relative to the base frame, the locating portion and the damper unit can hold a wheel of a bicycle in place, and a non-return unit mounted at the base frame or support frame and adapted to prohibit the support frame from being biased in direction away from the base frame. The invention enables the support frame to be constrained by the non-return unit.

Abstract: A bicycle trainer includes a base frame, a damper unit pivotally connected to the base frame and including a rotating wheel set, a swivel frame pivoted to the base frame and biasable between an inclined position where the swivel frame and the damper unit are capable of supporting a bicycle wheel and a collapsed position where the swivel frame is received in the base frame and the rotating wheel set of the damper unit is disposed adjacent to the swivel frame, and a locking device for locking the damper unit to the base frame or allowing the damper unit to be biased relative to the base frame. Thus, the composition of the invention allows the bicycle trainer to be folded up and received in a compact condition to minimize the dimension convenient for carrying with less effort.

Abstract: A bicycle trainer includes a body having two spaced positioning portions for supporting the wheel axle of a bicycle wheel, a damper unit for giving a damping resistance to the bicycle wheel, and a holding fixture mounted at the two positioning portions of the body for securing the bicycle wheel in a non-coaxial manner relative to the axial direction of the wheel axle. Thus, the invention can conveniently, rapidly and steadily secure the bicycle wheel in position.

Abstract: A bicycle trainer includes a base frame including a first pivot connection part, a damper unit mounted at the base frame, a support frame including a locating portion and a second pivot connection part, which is pivotally connected to the first pivot connection part of the base frame for enabling the support frame to be biased relative to the base frame in direction away from or toward the damper unit such that when the support frame is held in an inclined position relative to the base frame, the locating portion and the damper unit can hold a wheel of a bicycle in place, and a non-return unit mounted at the base frame or support frame and adapted to prohibit the support frame from being biased in direction away from the base frame. The invention enables the support frame to be constrained by the non-return unit.

Abstract: A bicycle trainer includes a body having two spaced positioning portions for supporting the wheel axle of a bicycle wheel, a damper unit for giving a damping resistance to the bicycle wheel, and a holding fixture mounted at the two positioning portions of the body for securing the bicycle wheel in a non-coaxial manner relative to the axial direction of the wheel axle. Thus, the invention can conveniently, rapidly and steadily secure the bicycle wheel in position.

Abstract: A bicycle trainer includes a base frame, a damper unit pivotally connected to the base frame and including a rotating wheel set, a swivel frame pivoted to the base frame and biasable between an inclined position where the swivel frame and the damper unit are capable of supporting a bicycle wheel and a collapsed position where the swivel frame is received in the base frame and the rotating wheel set of the damper unit is disposed adjacent to the swivel frame, and a locking device for locking the damper unit to the base frame or allowing the damper unit to be biased relative to the base frame. Thus, the composition of the invention allows the bicycle trainer to be folded up and received in a compact condition to minimize the dimension convenient for carrying with less effort.

Abstract: A flywheel-type variable resistance generating device for an exercising apparatus includes two actuating arms disposed outboard of a flywheel, a pulling cord having two anchoring ends coupled with a tightening-force adjusting member and a lever, and two pull-activating members connected to the pulling cord so as to move the actuating arms. The actuating arms are movable among a starting position where they are disengaged from the flywheel, an adjusted position where they are partially engaged with the flywheel, and a braking position where they are fully engaged with the flywheel. When the lever is operated to move one anchoring end with a braking force, the other anchoring end of the pulling cord is pulled back to its initial locus to move the actuating arms to the starting position.