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-   -   Tire Size and Gearing (https://www.ltr450hq.com/forums/wheels-tires/40800-tire-size-gearing.html)

Ltracer06 05-31-2012 11:22 AM

Tire Size and Gearing
 
I have a 06 with stock tires that are on there last leg and i wanted go to a set of 20's and a little wider. I was wondering if i have to/should change the gear ratio. Also what tires do you recommend for the best traction all around. thanks for the replies.

05limited 05-31-2012 11:34 AM

Maxxis razr's are hard to beat. And gearing on my xc bike with 20" razr xc's is 13/37. I want to try 14/39 as a 13 tooth is hard on the chain slider.

Ltracer06 05-31-2012 11:38 AM

Ok, have you tried 15:35 that is what i was told to run but im still mot sure, and what type of razrs? thanks

Duneripper 05-31-2012 12:02 PM

Quote:

Originally Posted by Ltracer06 (Post 546105)
Ok, have you tried 15:35 that is what i was told to run but im still mot sure, and what type of razrs? thanks

15/35 with 20" rear tires is gonna be an awfully high gear ratio, you are gonna gain a of top speed but lose a lot of acceleration.

Ltracer06 05-31-2012 01:35 PM

Ok, what wold be a good all around ratio? The stock is ok but a little high on the take off. I can out run almost any wheeler top end but i keep getting beat off the line (partly due to loss of traction).

05limited 05-31-2012 01:46 PM

Quote:

Originally Posted by Ltracer06 (Post 546119)
Ok, what wold be a good all around ratio? The stock is ok but a little high on the take off. I can out run almost any wheeler top end but i keep getting beat off the line (partly due to loss of traction).

Just drop the front to a 13 tooth sprocket. That will put it close to stock gearing with 20" tall tires on it.

Ltracer06 05-31-2012 01:57 PM

Woudn't that put stress on the chain sliders?

05limited 05-31-2012 02:03 PM

Quote:

Originally Posted by Ltracer06 (Post 546124)
Woudn't that put stress on the chain sliders?

Yes it wears then a tad bit quicker but it's the quick and dirty fix.

14/39 is what I want to try but I don't know if it will clear the factory chain slider and sprocket skid.

14/39 = 2.785. (stock front)
13/36 = 2.769 (stock 06/07 rear)
13/37 = 2.846 (stock 08/09 rear)

PapaOX 05-31-2012 02:38 PM

I've got 21" Parkers on mine and use 13/36 for standard tracks and 14/36 for the high speed tracks. I've never had any slider probs running a 13.

Here's what I've run across in tires:
Razr2 - great grip and wear is really good, kinda pricey
ITP HD - grip is good but wear way too fast, way too pricey
Parker - great grip, great wear, sponsored so don't know
Douglas - great grip, wears good but fronts really thin on sidewall, price don't know

Ltracer06 05-31-2012 03:23 PM

OK how do you figure out witch is faster of the start and witch is more top end?


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