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Thanks, what would you say is a minimum safe distance for road and light off road riding? The Columbus Fel fork is surprisingly gappy for a 365mm fork. I tried it with a short drop Sram Rival and a standard drop TRP and both cleared a badly seated 30c G-one speed but it was fairly tight. The TRP would need a small amount of filing on the arms to get the pads centred but it's not far off (Sram is off another bike).
Changing from a tapered fork in an EC44/40 lower to straight fork in a ZS44/30 lower gains you about 10mm axle to crown with no change in steering geometry
It's unrealistic with a 365mm fork, and it's also unrealistic with a caliper brake drop of <49mm. To fit a 700×32C with the minimum safe clearance needs over 350mm from axle to the underside of the crown. With a 375mm fork and a brake drop <57mm, it's possible.