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Repairing, maintaining, or replacing the chain on your bike that connects the front of the drivetrain (cranks, chainrings) to the back (cogs, cassette).

6 votes
4 answers
2k views

Ultrasonic cleaner power requirements, for cleaning chains before waxing

This question is a follow-up to Ultrasonic cleaner advice, for cleaning chains before waxing. I plan to lubricate my chains by immersion in molten paraffin wax. The advantages and disadvantages are d …
29 votes

Lithium grease for bicycle chain?

Chain lubes contain solvents to reduce viscosity enough to creep into these gaps. The solvent dissipates and leaves a high viscosity oil. The surface does not need extra lubrication. … It is best to remove all chain lube from it to prevent dust and grit adhering to the chain. Eventually it would get into the chain rollers and increase wear. …
gschenk's user avatar
  • 9,818
3 votes

What features should I look for in a chain?

The choice of chain is first of all determined by the type of drivetrain. For instance, a 11-speed derailleur requires an 11-speed chain. … a chain that is a compromise of costs and longevity. …
gschenk's user avatar
  • 9,818
13 votes
Accepted

Should I be worried about sand in the chain?

Spray the degreaser or light oil on the chain. A stick is often useful to scrape off old dirt and grease from sprockets and chain ring. … Then wipe off excess lube from the chain. Do this last part quickly after applying, while the spray on your chain is still fluid. …
gschenk's user avatar
  • 9,818
2 votes

Adjusting chain length

Your chain needs to be long enough to move freely when it is shifted to the largest cog and the largest ring at the same time.* To check the length, shift to these positions and move the chain by hand … If you manage to do that, the chain is long enough. If you can push up the derailleur even more, the chain is too long. …
gschenk's user avatar
  • 9,818
6 votes

Dish soap or WD-40?

Degreaser Before I apply new chain lube I rather have my chain slightly cleaner and use a home made degreaser. … One can also use larger quantities to deeply clean a chain. Degreaser is then required to remove the thinned grime and lube. …
gschenk's user avatar
  • 9,818
4 votes

Rusty chain and back cassette – Replace or repair?

Does the chain move at all when you move the cranks? If some parts are rusted to a solid chunk it is done for. You may apply some wet lube, see if it moves. … A seven speed cassette and chain often cost in the range of 10 €$£. It's perhaps a good idea though to ride the bungee and see if it's worth investing into repairs. …
gschenk's user avatar
  • 9,818