Single-speed bicycle on the situation, a messenger may prefer a mountain bike based single-speed, which can roll over many obstacles, or a fast and light road bike-based single-speed. In the United States market, bicycle companies such as Bianchi, Cannondale, Fuji Bike, KHS, Kona, Raleigh, Giant, Specialized, Swobo, Felt, Trek and Niner all have produced and marketed single speed bicycles. Because most full suspension frame designs either have a single pivot that is not concentric with the bottom bracket, or a linkage with a variable center of rotation, the distance between the bottom bracket and rear axle varies throughout the suspension's travel. This
Low rider bicycle luggage carrier inside as well as outside to provide mounting of some specialized carriers such as the Tubus Duo. For bicycles that do not have these eyelets or "braze-ons", various alternatives exist. Some of these come in the form of "U-Bolts", clamps, or some sort of clamp-on eyelet (see Tubus Aluminum Alloy Fork Mounting Kit) When installing carriers, a drop of thread locking compound is advised to ensure that the screws do not loosened from vibrations under load. Low rider bicycle luggage carrier A low rider is type of luggage carrier for bicycles on which luggage can be carried with a low