Just installed my 4th front tire on my 2016 t-120 yesterday and I think I have solved the front shaking problem. The original tire had a small shake from the get go by the time it had 10,000 miles not only was it wore out it had begun to shake real bad. The replacement shook from the get go so I tried a vintage tire I had let over from the old days a Dunlop K-70 (325-18) and it ran smooth so I ordered a Dunlop K 81 and so far has been good and smooth. I now have over 15,000 miles and other than the tire shake no problems. I did move the gear shift lever up one notch and now I can get my boot under it, also put a 4 tooth bigger rear sprocket from the 700 and it makes for a lot nicer ride. Fred V Bonaire ,Ga.