What's the Deal With Motorcycle Tire Sizes?
High Desert Hills High Desert Hills
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 Published On Jan 3, 2023

With constant snow storms for the past week and a half, I've had trouble getting out for rides. Instead I've been shopping for tires... and deciphering the enigmatic nonsense that makes up their sizes.

I picked up the iconic dual sport combo - Dunlop D606 rear tire, and Pirelli MT21 front. Looking forward to putting them on.

**One thing to note that I didn't mention in the video - If you change the size of your rear tire, it's going to affect your speedometer and torque. For instance, since this D606 is a little bigger than the stock rear tire, each rotation of the axle is going to move me a little farther than it did before, which affects the speedo. Also, it's going to take a little more torque to get that bigger tire spinning. It's possible that I'll want to change the rear sprocket to something a little bigger to compensate for the change.

Below are Amazon links to the D606 and MT21 tires I'm talking about in the video. I am an Amazon affiliate, so I'll get a bit of a kickback if you use these links. They also happen to be a couple dollars cheaper here than most places I've looked:

Dunlop D606 (Rear):
https://amzn.to/3WHlH97

Pirelli MT21 (Front):
https://amzn.to/3vx80Ol

Here is a link to the reference table for determining weight and speed specs (Hosted at Rocky Mountain ATV's site):
https://www.rockymountainatvmc.com/do...

Music by bensound.com

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