Langaster Chainrings
HI
I'm new to this fixed game and bought a two year old Langaster this winter.
I would like to change the rear sprocket but not sure if i need a 3/32 or 1/8 sprocket.
Can anyone tell me which one i need? what the dimension refers to? and what tool is used to remove the lockring?
Thanks
I'm new to this fixed game and bought a two year old Langaster this winter.
I would like to change the rear sprocket but not sure if i need a 3/32 or 1/8 sprocket.
Can anyone tell me which one i need? what the dimension refers to? and what tool is used to remove the lockring?
Thanks
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Comments
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Whilst this is no complete answer it may help.
I am guessing that the cog is held on with spacers and a standard lock ring, it is unlikely to be a threaded track type cog. You will need a chain whip and a lock ring tool, you can buy these in any bike shop.
Good advice and cogs are available here http://www.velosolo.co.uk/shopsingle.html
I have no affiliation to them, I bought some single speed bits to convert an old frame and they provided good service.
As for the sizes, thats the chain width and it will most likely be 1/8.0 -
You should also be aware that you have a Langster
If you start shopping for spares for a Lancaster you could find yourself out of pocket.0 -
The dimension refers to the thickness of the chain and sprocket. Check your chain. If it is joined with a split link that has a hairgrip shaped circlip then it is 1/8". If not then probably 3/32". You could also measure the thickness of the sprocket. You can use either with an 1/8" chain but the correct one is better.
The sprocket will be threaded on to the hub and locked with a LH thread lockring. You need the following tools.
http://www.chainreactioncycles.com/Models.aspx?ModelID=58483
http://www.chainreactioncycles.com/Models.aspx?ModelID=10184
You may find the lockring spanner cheaper elsewhere. Not sure if this chain whip will fit an 1/8" sprocket. Best to try your local BS.0 -
alternatively, remove lockring then reassemable bike and sit on it and back pedal, that will loosen your fixed cog easily, and no tools needed other than fixed lockring toolColnago Addict!0
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Thanks to all for the responses and links
Much appreciated
Allan0