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I have a flip-flop hub on a single speed track bike. I need to replace the rear sprocket (freewheel side) and chain.

Id prefer to give this a go myself, but

  1. Not sure what tools I need to remove this
  2. Not sure what freewheel I would need to order to replace it with.
    (ideally a similar or upgrade. + points for links to sites like Evans/ChainReactionCycles)
  • 2
    One thing for sure - you need to claen it :) – Papuass May 26 '11 at 10:09
  • Don't forget some kind of penetrating lube. Solvent-based chain lube or WD-40. Otherwise you have a good chance of shearing the teeth off your new removal tool. – Мסž May 26 '11 at 21:30
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That will be a BMX freewheel tool you will be needing. Order a BMX style freewheel, count the teeth or get one with less/more teeth depending on how you want to be pedalling - higher cadence will need more teeth.

If you have access to a big vice then you can put the freewheel removal tool in that. Otherwise a really big adjustable spanner from some pound-shop will do nicely.

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