Begin by shifting the front derailleur over the biggest of the chain rings and the rear derailleur to the smallest possible cog. Then wrap the chain around the large rear cog. If using a mater link chain, install only half of the mater link. Then pull the lower part of the chain snug and connect it to the front chain ring. For accurate sizing, make sure that the chain is fully engaged on the largest rear cog no weird slack!
Find the nearest rivet where the two chain ends can be joined. Be sure to match the inner plate with the outer plate to make a successful union. This is the rivet closest to where the chain can be joined. From here, add two additional rivets. This section on the two additional rivets is the cutting point for your chain. If you need further assistance, this video provides adequate visuals and explanations for this process.
If you want to replace your chain, and you know the chain on your bike is the correct size, then you will compare the chains together and cut the new chain at the matching point of the old chain. Always line up the ends with both outer plates and both inner plates. They must match to get the correct length. Unfortunately, worn out parts degrade other parts of the bike. Specifically, a worn-out chain will wear out the chain ring and cassette both of which are not cheap to replace.
Most bike chains will last anywhere from 2,, miles depending on the conditions in which you ride, how well you look after your drive train, and how much power you output each ride.
Measuring the length of your bike chain is one easy surefire way to discern how much stretch has occurred in your bicycle chain. To do this, you can either use a Park Tool chain measurer, or a normal ruler.
Some bikes with this style of dropout will be equipped with chain tensioners such as the Surly Tuggnut. These devices allow for fine tuning of the chain tension with the screw sticking out of the back before the axle is secured. If you are unable to tension the chain without the axle slipping out of dropout rear facing dropouts or reaching the end of the dropout forwards facing dropout , your chain may be too long. For sliding dropouts , loosen the dropouts, slide them back until the chain is adequately tensioned and secure in place, similar to the horizontal dropouts.
If you are unable to tension the chain without the dropouts sliding to their farthest position, your chain may be too long. For eccentric bottom bracket systems , rotate both sides of the eccentric bottom bracket until the chain tension is adequate. If you are unable to rotate into a position where the chain is adequately tensioned, it may be too long. Bikes without horizontal dropouts, sliding dropouts, or eccentric bottom brackets will need another device to tension the chain.
Usually, these bikes have standard vertical dropouts and were designed with derailleur drivetrains in mind. Chain tensioners are available such as the Surly Chain Tensioner which attach to the derailleur hanger of the bike frame, and function similarly to the cage of a derailleur which applies tension to the chain. Come, pedal with me and be a HERO!
Whether you're a commuter and you want better air ventilation and less weight on your shoulders or you're preparing for an upcoming bike tour, adding a rack to your bicycle opens up new As a recreational cyclist, perhaps a little past his absolute physical peak, I want my bike to be more upright.
Should the 'stretch' amount to a link's length then you are advised to replace the sprockets too. This is because they are also likely to be worn out.
If you are in the business of fixing bikes regularly then it is useful to have two small nails in the workshop, high up and above the metal recycling bin.
In that way you can hook the old and new chains onto the nails and compare lengths that bit easier. This technique works, it also saves time and reduces the likelihood of getting the chain length wrong.
Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Is my chain too long? Ask Question. Asked 10 years, 6 months ago. Active 10 years, 5 months ago. Viewed 56k times. Should I remove a link or two until this no longer happens? Improve this question. Add a comment. Active Oldest Votes. Improve this answer. Thank you for your comprehensive explanation.
However, I still feel a bit lost. The wee z seems a bit arbitrary for me to make a good decision, I'm not entirely sure what you mean by that though. Here are two photos which I would be grateful to have you take a look at. I've edited and re-uploaded your picture to make it clear. Although I did edit the wrong picture, you should do this in the large-large gear not the small-small one pictured.
Thanks for the extended effort, I understand what you mean now by the Wee Z and have everything working properly now. Community Bot 1. Stephen Touset Stephen Touset 8, 1 1 gold badge 33 33 silver badges 49 49 bronze badges.
Thanks for that, however his explanation is incomplete. From the way it's written, it reads like you are merely removing one complete chain link from the current length. Should the chain be taught when doing this overlap?
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