Patent ID: 8307954

Claim:
A caliper brake attachment tool for attachably and detachably attaching a caliper brake assembly for a rear wheel to a bicycle, said bicycle having a seat tube supporting a seat, a pair of seat stays extending downward from the seat tube to a rear axle on opposite sides of a rear wheel, and a cylindrical bridge extending horizontally and interconnecting said seat stays above said rear wheel, said caliper brake attachment comprising: a supporting rod having two ends; an attachment part, provided at one end of the supporting rod, which attachment part is configured to attach to and support the caliper brake assembly; an engagement part provided at an opposite end of the supporting rod, said engagement part being configured to contact rearward and lateral surfaces only of the seat tube; and an engaging recess, provided in the supporting rod between the attachment part and the engagement part, said engaging recess being configured to contact and engage upper and lateral surfaces only of the horizontal bridge.