Patent ID: 8414070

Claim:
A saddle adjusting device being slidably disposed on a seat tube and comprising a seat body, the seat body including a support portion on a top end thereof for placement of a saddle, the seat body being provided with a through portion for insertion of the seat tube, and at least one seat tube clamp along the through portion for clamping the seat body on the seat tube, the seat body being provided in a middle portion of the through portion with a hollow portion which is formed with an opening in a front surface thereof, the hollow portion being formed in a rear surface thereof with plural engaging grooves which are evenly spaced to form a serrated edge, and the serrated edge formed by the spaced engaging grooves being in parallel to the seat tube, a bolt being perpendicular to and inserted in the seat tube, an engaging assembly being slidably inserted on the bolt and provided with at least one protruding portion to selectively engage in the engaging grooves of the seat body.