Suspension device for bicycle

A suspension device for a bicycle comprising:

• a pair of left and right side tubes fixed to a steering bracket which is, in turn, rotatably supported at the front portion of the bicycle;
• a pair of left and right fork legs coupled with said slide tubes in slidable fashion and adapted to hold a front wheel;
• fluid chambers and gas chambers extending over both of said slide tubes and said fork legs;
• damping force generating device provided within the fluid chambers between said slide tubes and said fork legs;
• the suspension device further comprising:
• a partitioning wall member disposed within each fluid chamber in each fork leg at the lower side of each damping force generating device and slidable within an axial direction of each fork leg, said partitioning wall member having partitioning wall member position adjusting means capable of manual position change from the outside.