A 700 LHT fork is 390mm axle to crown, and a 26 fork is 376mm axle to crown. That looks like 14mm difference. 1 inch is 25mm, so it looks less than an inch difference. If you are replacing a suspension fork that would usually have some preload sag of an inch or more depending on riders weight, it would seem like staying with the 26 fork would work, if you are trying to replace a 26 suspension fork with a 26 solid. What have I over looked?