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I need to replace the bottom bracket on my Langster. It should be a 103mm axle but I'm pondering how much of a difference it will make to buy a much cheaper 107mm axle BB... Will it complete goose the chainline?
Yours being a tight arse
T
Can you space out the rear sprocket?
If you can then no issue, if you can't a longer BB may cause slightly premature wear and be a tad noisier.
No spacing of sprocket as its a proper singlespeed wheel with screw on freewheel/cog and not a cassette adaptor singlespeed.
2mm out isnt much to worry about. I doubt 107mm is actually bang on anyway.
How cheap is a 107mm BB?
I picked up a 103mm BB for £12 from singlespeedcomponents.....
£5.99 but I'm thinking of solving the creaking BB and then flogging the bike...like I said I am being tight 
Following a tasty pub lunch and a pint in the sunshine I've put my hand in my pocket and stumped up the full £13.20 to buy the correct length bottom bracket!