[SpudRider]

Originally Posted by oldqwerty

...Some pondering on replacement tires:

I expect the 120/70-17 rear tire to be about 24.5 inches tall and 4.8 inches wide? Perhaps 25.1 inches tall and 3.9 inches wide for the 100/90-18 front?

The Kenda K760 Track Master II is a DOT approved 5-3 knobby that has worked extremely well in the dirt on a TW200. I'm wondering if a 130/90-17 (26.3/5.5) will fit on the back of a Cyclone? This would allow a little height to maintain steering geometry with the 19 inch front. These rear tires also come in 100/100-18 (25.9/4.5) and 100/90-19 (26.1/4.1) that might fit the front, but be warned, TWs don't like these on pavement on the front, especially when new.

The Kenda K784 Big Block comes in a 100/90-19 (26.1/4) front and 130/80-17 (25.2/5.1) rear. If they will fit they will sacrifice a little gnarly dirt traction for much improved ride and life over the K760. No 18 inch front option with the Big Block.

The venerable Kenda K270 is the most street friendly of the Kenda DOT knobbies and comes in 100/90-18 (25.8/4.1), 4.60-17 (25.7/4.3), and 5.10-17 (25.9/5.4), so a little ruler work might set us up. No 19-inch front option with the K270.

For the muddiest terrain, you can't beat the Kenda, K760 rear tire. The Kenda Big Block is another nice choice for the rear tire.

I have several favorites tires for the 18-inch front wheel. For nasty mud, the CST Surge I tire is available in size 110/90-18.

http://www.motoparthub.com/TM5327000...FU6UfgodSSsALg



The Shinko 244 front tire in size 3.00-18 is very nice for pavement and riding off road in dry terrain.

http://www.motorcycle-superstore.com...FZGTfgodkWkA_w

I had this tire mounted on the 18-inch front wheel of my Zongshen ZS200GY-2, and it did a very good job, except in mud.