Assuming your cranks are Shimano standard, then the chainline measured between the two rings is 43.5mm and 46mm for the outer ring.
So in an ideal world you'd want a 105mm BB, but 107mm is probably as close as you'll get and will certainly be an improvement.
Ta. Will get one ordered.
@jontea started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Assuming your cranks are Shimano standard, then the chainline measured between the two rings is 43.5mm and 46mm for the outer ring.
So in an ideal world you'd want a 105mm BB, but 107mm is probably as close as you'll get and will certainly be an improvement.