08 July, 2011
Homemade Exercise Bike Stand
Exercise bike stands elevate the rear wheel of your bicycle above the floor. The stand consists of a rectangular steel base and two uprights. Axle rests atop each upright stabilize the bike. Welded connections are far more reliable than bolted connections. In the event welding expertise is a concern, a welding shop assists with the assembly of your homemade exercise bicycle stand.
A pair of tube steel uprights mount to the base as supports for the rear axle of your bicycle. Measure the distance from the rear axles of the bicycle to the floor. The distance from the center of any base to the opposite point of the triangle is equal to the distance from the bicycle axles to the floor. Cut and bend two pieces of 1-inch diameter steel tubing as equilateral triangles for the uprights. Weld the ends of the tubing where they meet at a corner of the triangle.
A rectangular base consists of two pieces of 1-inch steel tubing, each with a 90-degree bend. The distance from one end of either piece to the bend is equal to the width of any base section of a triangle upright. The longer sides of the base should be at least 30 inches to ensure a stable base during workouts. Each piece is placed flat and aligned to form the rectangle. Weld the connection points at the opposite corners.
Each end of the rear wheel axle fits into grooves at the top of the axle rests. The rests are made using 2-inch wide, 1/8-inch thick steel plate. Each rest is welded at one corner of a triangle upright, with the groove extending above the corner one inch. The combined width of the rectangular base, height of the uprights and the position of the axle rest when welded in place determines the elevation of the rear wheel during workouts.
Final assembly of the bike stand begins with locating the uprights on the base at the correct width. Measure the distance from the outer faces of the rear frame arms on the bicycle. Add 1/4 inch each way to allow the bicycle axles to align with the grooves in the axle rests. Mark the location of the uprights on the long sides of the rectangular base. Weld the base leg of each upright atop the base at the correct location.
The axle nuts on each side of the rear wheel secure the bike within the uprights. Loosen the nuts and lift the rear wheel into place atop the axle rests. Tighten the axle nuts securely against each rest. A variable resistance motor provides a range of settings for workouts. The motor attaches to the rectangular base behind the rear tire. A wheel rest made from a wood block can be used to stabilize the front wheel if desired.
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