• Another alternative is a 130bcd road chainset. Plenty available on eBay, cheap as chips. I'm gonna be using a Shimano Exage 500 chainset on a 107mm BB. Gives a 43mm chainline.

    Needless to say the spacers on the back need to go in favour of single speed chainring bolts but once that's sorted, there'll be pleanty of room.

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