Patent ID: 7172532

Claim:
An exercise bicycle frame comprising: a rear support; a top support extending generally forwardly and upwardly from the rear support; a seat support extending generally upwardly from between the rear support and the top support; a front fork connected with a forward end portion of the top support; a tube comprising a seat tube at least partially received within the seat support, wherein the tube includes: a first wall having a first edge and second edge; a second wall having a third edge and fourth edge; a third wall connected between the first edge and the third edge; a fourth wall connected between the second edge and the fourth edge, wherein a first distance between the first edge and the second edge is greater than a second distance between the third edge and the fourth edge; and a post comprising a seat post supporting a seat wherein the post includes: a first post wall having a first post edge and second post edge; a second post wall having a third post edge and fourth post edge; a third post wall connected between the first post edge and the third post edge; a fourth post wall connected between the second post edge and the fourth post edge wherein a third distance between the first post edge and the second post edge is greater than a fourth distance between the third post edge and the fourth post edge; and wherein the seat post is partially received within the seat tube to provide selective vertical height adjustment of the seat.