Patent ID: 8435161

Claim:
A balance simulator for bicycling, comprising a base, a removable board, and a roller device mounted at the rear of the base for holding a bicycle rear wheel, wherein each of the right and left sides of the base has a vertical limitation panel an inward surface of which is mounted with a buffer pad; a top surface of the base has guide rails; the removable board is mounted on the guide rails in a manner to move along the guide rails; a rotatable plate vertical shaft on top of which a rotatable plate pivots is provided vertically on a middle part of the removable board; a groove for holding a bicycle front wheel is provided longitudinally on the top surface of the rotatable plate; a semicircular inner gear is installed on a foreside of the bottom surface of the rotatable plate; the central lines of the semicircular inner gear and the rotatable plate vertical shaft are collinear; the semicircular inner gear is engaged with a small gear on the top of a gear shaft which is mounted rotatably on the middle front part of the removable board; a big gear is provided on the lower part of the gear shaft and is engaged with a long rack which is longitudinally mounted on the middle part of the base at right and left side.