if you do get the stronglight, the blurb indicates you'll need a 107mm JIS BB, which the JP400 is.
most cranksets specify somewhere what BB you need for a 42mm chainline. that's the standard chainline for fixed and SS bikes. it means that the (centre of the) chain is 42mm to the right of the centre line of the bike.
if you do get the stronglight, the blurb indicates you'll need a 107mm JIS BB, which the JP400 is.
most cranksets specify somewhere what BB you need for a 42mm chainline. that's the standard chainline for fixed and SS bikes. it means that the (centre of the) chain is 42mm to the right of the centre line of the bike.