Buy a 120 mm hub and then space out the axle with 10 mm of washers, 5 mm on either side. Most track hubs come with a long enough axle to allow you to do this, i.e. Miche.
@andyp started
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Buy a 120 mm hub and then space out the axle with 10 mm of washers, 5 mm on either side. Most track hubs come with a long enough axle to allow you to do this, i.e. Miche.