24.5" vs. 22.5" - Truckers' Trucking Forum | Message Board

Duliz · **^ Top** #1 04.12.2008

I was wondering what are the pros and cons of a 24.5" wheel over a 22.5"? Also, how can you identify a virgin tire from a recap? and should I stay away from recap tires??

Thanks guys

MACK E-6 · **^ Top** #2 04.12.2008

Quote:

Originally Posted by Duliz

I was wondering what are the pros and cons of a 24.5" wheel over a 22.5"?

Well, it's takes less torque to turn the larger wheel, just like on a bicycle a bigger gear is easier to turn than a small one. You may lose a little speed though.

Also, if you're trailer trucking, 24's may make full cube van trailers too tall for you.

Quote:

Also, how can you identify a virgin tire from a recap?

If you look closely, the seam on a recap may be visible.

Quote:

and should I stay away from recap tires??

Thanks guys

The only thing I would definetly avoid is retreads on your steering axle.

broncrider · **^ Top** #3 04.12.2008

Quote:

Originally Posted by MACK E-6

If you look closely, the seam on a recap may be visible.

look for a branded # on the casing

Quote:

Originally Posted by MACK E-6

The only thing I would definetly avoid is retreads on your steering axle.

i pretty sure recap's are illegal on the steers, unless it is an intrastate truck (montana for instance), but even then i suggest to take macks advice on them

22's are better for economy, 24's for top speed, 24 hipro's just look cool...lol

darnitt, how do you multi-qoute one post??
thanks fer showing us that mack....lol

MACK E-6 · **^ Top** #4 04.12.2008

Now look, you went and pulled an Aftershock. I have to fix yours now.

You have to type this--> [ q u o t e ], before the section of someone else's post you want to reply to, and you have to type this--> [ / q u o t e ], at the end of it.

When responding to individual points within one person's post, you may have to do that several times.

Rockatansky · **^ Top** #5 04.14.2008

Quote:

Originally Posted by MACK E-6

Well, it's takes less torque to turn the larger wheel, just like on a bicycle a bigger gear is easier to turn than a small one. You may lose a little speed though.

Also, if you're trailer trucking, 24's may make full cube van trailers too tall for you.

If you look closely, the seam on a recap may be visible.

The only thing I would definetly avoid is retreads on your steering axle.

Respectfully MACK, you got that backwards.

All else being equal, smaller tires need less torque to get going and accelerate quicker than larger ones.
ETA: Smaller tires also weigh less and react to bumps in the road faster.

Bigger tires will have a higher top speed and more ground clearance for the axles and frame.

MACK E-6 · **^ Top** #6 04.15.2008

Than why is it that the lower gears on a bicycle are larger than the higher ones, and are easier to pedal? Wouldn't the same principle apply to wheels and tires?

Rockatansky · **^ Top** #7 04.16.2008

Quote:

Originally Posted by MACK E-6

Than why is it that the lower gears on a bicycle are larger than the higher ones, and are easier to pedal? Wouldn't the same principle apply to wheels and tires?

No.
Because the fulcrum point (the place where force is applied to the tire) on bike gears is outside the wheel's center.

On a axle driven wheel the fulcrum point is the center of the axle.(roughly speaking, not technically correct)

Which is easier to roll by hand?
A tire rolled by the center or one rolled by the tread?

Bigger tires act as a gear reducer (numerically smaller number).
The advantage of bigger tires is that they have a larger outer diameter, covering more ground per rotation.

Pedal bikes usually don't have suspension either, so unsprung weight of a larger tire is not a factor in handling over bumps.
Which is a whole other can of worms.

25(2)+2 · **^ Top** #8 04.16.2008

I drive both, and I prefer 24.5s because they ride better over rough roads, 11 R 22.5s are roughly the same height as 24.5 LPs. The truck I normally drive has 22.5 Low Profile, naturally.

For heavy load situations, the 11R tires will have a higher load rating, and you see them on the heavy haulers, with 46 K and 52 K tandem axles.

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