Old 04-20-16, 09:50 PM
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Bikes: Bianchi Infinito (Celeste, of course)

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Since I happen to have the same bike. The axle-crown measurement on mine ~426mm, which will be tricky to find in a 29er fork. Realistically, there are options such as a 26 or 27.5in fork, but that would also mean new wheels.

Having said that, realistically, raising the front end ~100mm will change the head tube angle by approximately ~5 deg. The Toughroad is relatively steep at ~72deg, so that would put in the ~67deg range which is where the slack 29ers are. You're going to have some front-end lift issues on climbs, handling may suffer some, but I don't see it being totally un-workable.
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