A dual handle speed adjustment device includes left and right handles, a linkand a slider. The left and right handles each have an actuating end, anoperating endand a handle hinge as a pivot axis. The slider has a first connection endconnected tothe actuating ends of the left and right handles, a second connection endconnected to aspeed control device, and a part between the first and second connection endshingedto one end of the link, which has the other end thereof provided with a linkrotationaxis. The left and right handles independently drive the slider to move whenthey areturned. The invention can realize the separate operation of two speedadjustinghandles.
