How much have I lowered my bike?
 

It's said that going from the stock 170/70-16 rear tire to a Sp5000 195/65-16 lowers the bike, but how much?

I wish I had measured the difference but it is a bit lower, maybe an inch or less I'd guess.

Does the 70 to 65 refer to cm? If so, 27.559" to 25.59" doesn't seem right? 2 whole inches?

This is the MC tire Inflated Diameter:25.4 in. now to find the CT measurments!!

The generic diameter for a 170/70-16 is 25.37"
The generic diameter for a 195/65-16 is 25.98"
So you actually raised the rear by .67 divided by 2, or .335"

However, the Dunlop site isn't showing a 195/65-16 for the SP5000.
They do list a 195/60-16/
The diameter for that is given as 25.2"

If that is what you have, then it would be lower by .17 divided by 2, or .085"

You can use the tire size calculator in the link below for generic sizes.
Tires by different manufactureres can vary somewhat, so this isn't exact.

Check it out here:

http://www.discounttiredirect.com/di...foTireMath.jsp

There is a tire thread in our tech boards that gives you all the tire sizes, you should be able to look it up and find the difference between them.

You are most likely correct. I probably have a 60, not 65.

So I actually raised the back? Interesting.

Come on, Ring. You expect me to use the resources already provided...:wtf:

The sidewall height on the MC is 4.69" and the CT is 4.61".

You have effectively lowered you bike by 0.08" in the back.

Here is a calc for the next time you have a question.

http://www.discounttiredirect.com/di...foTireMath.jsp

MT

I love the resources you guys provide.:tup:

Jared, the majority of the SP5000 being used on bikes are 195/55/16 tires. They drop the rear about 1 full inch over a stock 170/70/16. An inch in height on a motorcycle is a lot! I'd take a look at your sidewall and check as your typo is probably that you have a 55 series tire that you called a 65 series tire. The only only 195/65/16 that I am aware of being available right now is the Vanco.

So by lowering the back end you will always be riding uphill. :lol:

It's a 60 series.

I would think you'd also have to take in account the weight of the bike and the rider and the lower air pressure in the c/t. Since we are running lower air pressure (28-32 avg) in the c/t, the tire will flex a little more and thus, sit lower. On the m/t, more than likely running around 40 psi which would not have as much give in the tire, therefore sitting closer to the actual dimensions specified.

That's because we've been carrying you longer than your mother did. Gerry you a good for nuthin' bum!! :lmao::lol: