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1

I had this issue last week. Have a look at your rear derailleur and check it can go through the whole range of movement. Its possible that the spring has gone or the hanger for the jockey wheels has seized and won't move correctly. If this is the case try some degreaser on it, dry and add lube. If you still have the problem it may be easiest to replace the ...


0

So, this is a new bike with 7-speed freewheel instead of freehub and cassette? Freewheels and anything 7-speed have been obsolete for about 25 years, certainly far before 29" bikes appeared. If you have a new bike with such components, it is likely to be extreme low end quality. With the new freewheel, it is also possible that the chain is already worn out ...


4

The high and low limit screws don't affect the shifting between the cogs - they just tell the derailleur not to throw the chain into the spokes or out into the frame. Theoretically, this is a set once and forget it adjustment. The B screw will keep the derailleur from rubbing on the cogs and should be set on the largest rear cog. If you put in the same ...


4

Something to keep in mind, it's not unusual for a SRAM chain to not play well with a Shimano cassette. A lot of times you'll get lucky and the two will work well together, I used to run SRAM chains with my Shimano cassettes all the time without much trouble. But there are just some combinations that just cause problems, even intermittently from run to run. ...


5

I'm betting that you need to install a brand new chain and a brand new freewheel / cassette, at the same time, and out of an abundance of caution, make sure they're the same brand. I doubt your friend actually ruined anything, the more likely scenario is that the chain is old and stretched, causing it to slip ( or it's the wrong length as Daniel mentioned ). ...


6

The first thing to note is "Does the 8 speed hub clear the dropouts ?" You may be able to spread the frame if steel. Since you're likely going from a 120mm to 130 mm (which is 2 sizes - 120->126->130), you should be cold setting it. The second question would be "Can the brakes reach the rim?" Unfortunately, to my knowledge, nobody makes a 5 speed ...


0

I have experience with DNP freewheels (7 speed, 11-28) and KMC 6-7 speed chains. I had exactly the same chain slip problem (literally word for word) with chain slipping and managed to fix it with great deal of attention to the derailleur setup. You might think that your rear derailleur setup is good because of the evidence provided by good shifting. That ...



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