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17. The correct length of a chain is irrelevant at purchase since they all come at a set length. (Usually 114 1/2" links, sometimes 120 1/2" links). In special cases, like tandems and recumbents, you may need to join 2 chains to have enough length. Sizing a chain to length for a particular bike is a set process.
Chain size is specified by pitch and width. The pitch is the distance between rollers (1/2" on all modern bicycle chain). The width is nominally the width where the sprocket teeth fit in. Bicycle chain comes in four basic widths: 3/16" (.1875", 4.76 mm), used until the middle of the 20th century on many bicycles; this was inch-pitch chain.
Firstly, to avoid unnecessary confusuion, the accepted commercial nomenclature for such bicycle chain is "114 links". Secondly, a 114 link chain will indeed have 114 pins and will include 57 link pairs (inner+outer plate). Each pair contrubutes 1" of chain length. Thirdly, in more technical parlance, a 114 pin chain will have 57 links and 114 ...
Modern chains all have 1/2" pitch (distance between rollers), but there are several different widths. 1/8" is common for single speed and internal gear hubs, while 3/32" (and narrower in the case of are common for derailleur-based bicycles) though many single speed/internal gear hubs use a 3/32" chain (this depends on which cog+chainring combo is used).
Some times on a new chain the connector is on the chain and some times it is packaged separately. You have pin type one time connectors and reusable connector links. You can use a 1/2 link connector to get an odd number of links. 1/2 link is used by the wider SS and fixie where you may need a more exact length.
2. Well, you need an extra bit of chain. But you just splice a bit of chain to the existing, using the chain tool the same way you'd use it for just joining ends. – Daniel R Hicks. Aug 26, 2012 at 18:43. 1. @DanielRHicks Put that into an answer and we'll accept it! – heltonbiker. Aug 26, 2012 at 18:51.
33. The coating is generally a form of wax, which is an excellent chain lube, and less apt to attract dirt than most chain oils. All you really should do is wipe off (with a dry cloth) any excess. If the wax seems excessively heavy you can add a little solvent to the cloth, to just wipe off the outer coating.
@rclocher3 is right, a worn out chain can kill a sprocket within a megameter. Even if the sprocket is made out of steel. Or, to put it more concisely: The chain is stronger than a single tooth, but half the teeth of a sprocket are stronger than the chain. Btw, the weakest point of a single speed sprocket is not its outer teeth, but rather its ...
WD40/GT85 and other thin oil will wash off in rainy wet conditions, and not lubricate or protect the chain for very long. Something thicker is going to be better, also keep in mind that a road bike will work well with a thinner oil/grease then some off road bike being cycled through a swamp. Share. Improve this answer.
Any brand link that is rated for a 7 speed chain will fit. Sram refers to there's as a Power Link, KMC calls it a Missing Link other are quick connect. What is important is that it not the type with the "U" clip that it together. That type is only for non derailleur bikes. It looks like a variant of the KMC Z8, with a pin length of 7.1mm: