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Bicycle trailer

A bicycle trailer is a motorless wheeledDisabled passenger: made for safely
frame with a hitch system designed fortowing wheelchairs with persons in them.
transporting cargo by bicycle. A bicycle
trailer expands the cargo-carryingPets: for carrying small domestic
capacity of a bicycle greatly, allowinganimals that weigh less than 30 lb (14
point-to-point transport of objects upkg). Pet trailer.
to 4 cubic yards (3 cubic meters) inComponents
volume and weighing as much as half aFrame
ton 1.Metal: usually steel alloy or aluminum
Typestubing, assembled by brazing, welding,
Different types of trailers are adaptedor nuts and bolts.
to different purposes, cargoWood: seldom seen but sometimes used in
requirements, and riding conditions.make-shift and home-built trailers,
By number of wheelsfastened with glue, nails, screws,
Single-wheel: a single rear-mountedbolts, or a combination thereof. An
wheel. Though of limited towingexample is here.
capacity, this design tends to be moreAxle
stable than trailers with two or moreSolid metal bar or hollow tube, to which
wheels. The single wheel can tilt fromwheels may be affixed by press fit,
side to side when cornering (as thethreaded nuts, or quick-release
bicycle itself does,) allowing formechanism.
coordinated turns at relatively highWheel
speed. (Up to 25 mi (40 km) per hour.)Traditional spoked bicycle wheel in
Two-wheel: A two-wheel design makesvarious sizes. Has the advantage of
possible much greater load carryingbeing light, strong, readily available.
capacity and a wider cargo bed, but hasPneumatic tires provide some suspension
a tendency to tip over when making veryfor the load, larger diameters ride
sharp or high-speed turns. Also,smoothly and have much less drag than
two-wheel trailers tend to be as wide ormany other types of wheels.
wider than the handlebars of theSolid metal wheels with solid treads,
bicycle, increasing the risk of hittingsuch as dolly wheels. Extremely durable
objects (or getting stuck) when ridingbut rough riding and usually slow due to
through narrow spaces.small diameter.
By intended cargoFender
General Cargo: for transporting cargo ofIf included, the fender helps to protect
all kinds. The load capacity ofthe cargo and the towing bicycle from
commercially-available cargo trailersroad spray and dirt. On heavy-duty
ranges from 30 to 300 pounds (14 to 140trailers, the fender may be designed to
kg), but much larger loads have beenbe capable of bearing heavy loads.
transported with by custom-builtHitch
trailers and by multi-trailer "trains"Seat-post: Temporary or permanent clamp
attached to a single bicycle.assembly attaching trailer hitch to the
Child passenger (as cargo): constructedseat post.
to enhance the comfort and safety of oneRear axle: Special attachment points,
or more small human passengers. Theseintegral to the rear quick release
usually have an especially low center ofskewer or bolted on to solid axles, hold
gravity and widely-spaced wheels todropouts cut into the trailer hitch.
reduce likelihood of roll-overs when(Under patent by the BOB trailer
cornerning, and often have integratedcompany?)
rain-proof covers, seat padding, andChainstay: Two-piece sandwiching clamp
safety belts.screws tight over left rear triangle,
Child passenger (as rider): Trailerwith protruding socket-and-pin receiver.
cycles, one-wheel trailers with
integrated seat, handle bars, and driveRear cargo or pannier rack: Some
train. These allow small children whoimprovised hitches attach to the rear
can't yet ride a bicycle alone tocargo rack or pannier frame. Since rear
accompany adult riders as participantsracks are not structural parts of the
and motive-power producers.bicycle they cannot handle much weight
Canoe and Kayak: designed for towingor torque loading.
long, thin, relatively light-weightImprovised: Ropes, bungee cord, chain,
loads such as canoes, kayaks, windcable, etc. Usually not dependable,
surfing rigs. For example, see: Kayakoften dangerous to rider and cargo.
trailer.



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