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That combination of gears and wheel is said to be "26 gear inches." If the front chainring has 48 teeth and the rear sprocket has 24 teeth, then each turn of the pedals produces two turns of the rear wheel. This is equivalent to doubling the size of the drive wheel; that is, it is like a directly driven bicycle with a 52-inch wheel.
Chainring: (one of the) front gear(s), attached to a crank; Chainset: see Crankset; Chainstay: a pair of tubes on a bicycle frame that runs from the bottom bracket to the rear fork ends; Chain tensioner: a device to maintain proper chain tension; Chaintug: a device to aid in setting the proper chain tension
Replacement chainrings must be chosen with a bolt-hole count and spacing that matches the spider. Chainrings designed for use with multi-chainring crank arms may have ramps or pins to aid in shifting. The middle chainring, in the case of a triple crankset, usually has the most shaping to aid in shifting up and down.
Cage length, when combined with the pulley size, determines the capacity of a derailleur to take up chain slack. Cage length determines the total capacity of the derailleur, that is the size difference between the largest and smallest chainrings, and the size difference between the largest and smallest sprockets on the cogset added together. A ...
The tendency of a chain to stick to chainrings and be sucked up into the bike instead of coming off the chainring. Primarily caused by worn chainrings and rust on small chainrings, under high loads, and in dirty conditions. [7] Chainring(s) The front part of the drivetrain where the chain engages. May be composed of one to three gears. [7 ...
Original file (4,592 × 3,448 pixels, file size: 3.89 MB, MIME type: image/jpeg) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Bicycle chains Roller chain and sprocket. A bicycle chain is a roller chain that transfers power from the pedals to the drive-wheel of a bicycle, thus propelling it.Most bicycle chains are made from plain carbon or alloy steel, but some are nickel-plated to prevent rust, or simply for aesthetics.
There are three chainrings with half-step differences between the larger two and multi-range differences between the smaller two, e.g. chainrings 24-42-46 and cogset 12-14-16-18-21-24-28-32-36. [12] This general arrangement is suitable for touring with most gear changes being made using the rear derailleur and occasional fine tuning using the ...
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