Maxtons superb GP30 fork cartridges for the 1199 & 1299 Marzocchi fork. The Marzocchi forks on the 1199 & 1299 have very good quality outers, but their standard internals leave a lot to be desired in their quality, longevity and lack of adjustment range. This full upgrade kit, including custom ordered replacement top caps, is equal to anything on the market in quality and in my humble opinion out perform the electronic Ohlins units on the 1299S for road use, having a very wide range of adjustment to allow set-up for everything from touring to track use. For anyone who isn't familiar with the Maxton brand, this kit is CNC manufactured in Ron Williams family facility in the heart of Cheshire, with even the springs sourced in the UK to guarantee their consistence. The kit is in superb condition, having only been used for regular road use and is supplied with the installation tools and their case. The GP30's are the very same product that a large proportion of independent road racers use at the TT and Classic, which is about as high a recommendation as can be sought. £750 including postage in the UK.
