Bottle cage


Bottle cage

A bottle cage is device used to affix a water bottle to a bicycle. Composed of plastic, aluminum, stainless steel, titanium or carbon fiber, it is attached to the main frame of a bicycle, the handlebars, or behind the saddle. Most modern bicycles have threaded holes in the frame to hold the bottle cage, often called braze-ons even though they may be welded, glued, riveted, or moulded into the frame material. [ cite web
title = Sheldon Brown, Bicycle Glossary: Braze-on
url = http://sheldonbrown.com/gloss_bo-z.html#brazeon
accessdate = 2008-02-01
last= Brown
first= Sheldon
authorlink=Sheldon Brown (bicycle mechanic)
] Clamps are necessary on bicycles not so equipped, such as older or less expensive models.

Locations

The most common location for a frame-mounted bottle cage is on the top side of the downtube.The most common location for a second frame-mounted bottle cage is on the front side of the seat tube.Small bikes and mountain bikes with rear suspension often do not have enough room for two bottle cages inside the main frame triangle.

Some touring bicycles have a third frame mounting location: under the downtube.

Bottle cages may be mounted behind the seat with a bracket that attaches to the seatpost. [ cite web
url = http://www.nordicgroup.us/cageboss/
title = Adding Water Bottle Cages to Bicycles without Braze-Ons
accessdate = 2008-02-01
]

Tandem bicycles may have as many as six bottle cages.

Recumbent bicycles may have bottle cages mounted to the steering mechanism or behind the seat back.

tyles

The vast majority of bottle cages consist of a single hoop of metal tubing or rod bent to hold the bottle snugly and engages the top, or an indentation in the case of larger bottles, to prevent it from bouncing out.

Varieties, often made out of plastic or carbon fiber, may completely encircle the bottle.

Some manufacturers have released non-standard bottles and cages that only work with each other in order to offer specialized shapes: streamlined, for example. [ cite web
url = http://www.arundelbike.com/Chrono.html
title = Arundel Chrono
accessdate = 2008-02-01
]

tandards

Mounting

The standard bottle cage has mounting two holes, two and a half inches (2.5") apart, to match the threaded holes in the frame, and through which small bolts pass.

The holes are usually sized and threaded to accept a 5 x .8 bolt, which means 5 mm in diameter and threads 0.8 mm apart. [ cite web
title = Sheldon Brown Glossary: Threading Systems
url = http://www.sheldonbrown.com/gloss_ta-o.html#threading
accessdate = 2008-02-01
last= Brown
first= Sheldon
authorlink=Sheldon Brown (bicycle mechanic)
]

Bottle

The standard bottle cage holds a bottle two and seven eighths inches (2.875") in diameter and five inches (5") tall or with an indentation that far from the bottom for the tab on the cage to engage.

Other uses

Some examples of bicycle lighting take advantage of the bottle cage by using it to hold a bottle-shaped battery to power the lights. This sort of bicycle lighting has proved popular. [ cite web
url = http://bicyclewarehouse.com/page.cfm?PageID=480
title = Bicycle Warehouse: Rechargeable Bicycle Light Systems Turn Night To Day!
accessdate = 2008-02-01
]

Many small tire pumps come with a mounting bracket intended to be mounted alongside a bottle cage.

The Trek Soho 3.0 comes with a stainless steel coffee mug designed to fit in the bottle cage mounted on the front side of the seat tube. [ cite web
title = Trek Urban Soho 3.0
url = http://www.trekbikes.com/us/en/bikes/2008/urban/soho/soho30/
accessdate = 2008-02-01
]

In addition to the fairly standard cycling water bottle, cages have been produced to hold commercial 1 liter and 1.5 liter water bottles. [ cite web
title = Sheldon Brown: Bottles & Cages
url = http://sheldonbrown.com/harris/accessories.html#bottles
accessdate = 2008-02-01
last= Brown
first= Sheldon
authorlink=Sheldon Brown (bicycle mechanic)
]

History

Until the 1960s, cyclists often carried a second bottle on the handlebars, held by a bottle cage fixed to the handlebars themselves and by a third point to the handlebar stem. Such bottle cages are familiar from pictures of the Tour de France. Riders had a cage there rather than have two on the frame, where the centre of gravity is lower, because at the time the Tour's rules insisted that riders carry a pump. The pump took up the length of one frame tube and made a second bottle cage on the frame impossible.

ee also

* Bottle sling

References


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