Following some looking around, I've decided to follow Tim Woodcock's Scotland Trail from Skye Bridge to Montrose. Here is a brief breakdown of the route as taken from the companion pack.
View Skye to Montrose C2C in a larger map
Day One - Skye Bridge to Arnisdale & Corran via Carr Brae and Bealach Ratagan
Day Two - Arnisdale to Fort Augustus via Glean Dubh Lochain, Cadha Mor and Choire Pass
Day Three - Fort Augustus to Glen Feshie via Corrieyairack Pass
Day Four - Glen Feshie to Tomintoul via Ryvoan Bothy, Carn a Chnuic, Eag Mhor Pass
Day Five - Tomintoul to Ballater via Culardoch and Felagie
Day Six - Ballater to Edzell via Mount Keen
Day Seven - Edzell to Montrose
I will likely be doing the trip solo but have some bike-minded friends who have said that they are interested in accompanying me on some sections. If anyone has any advice please feel free to leave comments below.