RC Tires: Boost Performance with this FREE Mod! 🔥

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In today’s video, we’re diving into what REALLY makes the best RC rock crawler tires and how you can take yours to the next level!

John Robert is sharing insider tips on how to modify your tires for maximum grip and performance – plus, he's revealing some FREE mods you can do right at home!

Want your tires to cling to the rocks like never before?

Don’t miss this! Your RC crawler deserves the best, and we’re here to show you how to get it.
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Thanks for helping us understand the gravity of this situation a little bit

pocketfuloducks

Have been siping tyres and adjusting air pressures on bikes, trikes, quadracycles and carts to suit specific tracks and trails since the 70s. With RC vehicles the same physics determines grip and traction. Of course on small scale vehicles siping the tyre tread to improve grip can make a huge difference and we use foam inserts instead of air pressure. Another key factor is getting the weight bias of the vehicle dialled in. Living in South West Scotland where it is cool and damp most of the year round the tyre compounds that work well here will not be the best for folks in different climates. The thing that bites us all equally is the smaller the scale we work in the tighter the tolerances need to be and the more fiddly it is to get everything juggled just right for maximum performance.

hairypaulmmwab

I found that cleaning the tires with mild detergent and dry them out before I use them. If you get your tires dirty in the field you can bring some fine sandpaper and hold it against your tire while using the throttle to spin your wheel. By doing this you can remove the dirt and dust so you get the grip back. Remember that you don’t push the sandpaper to hard so you wear out your tire. After use i wash the tire and brush on some Glycerol to prevent the from drying out.

Nice tip on thinning the walls of the tire. I will try that!

TrailJero

quick squirt of aerosol carpet glue really improves grip

bongofury

For the little cars like the trx4m in my area I love the little guy racing black label with the injora super soft silicone inserts. Or the injora s5 rock crawler that looks like the hyrax

justinluczak

I think maybe your discussion is more about Friction than Gravity; a much more easily understood concept, measurable, repeatable, etc.
Of course you can get into the weeds with friction also with the 'gecko phenomenon' and molecular attraction
The biggest improvement for me has been venting tires since these printed inserts don't rot like wet foams. I didn't want to deal with wet foams and where I crawl is pretty much wet all the time unless it's frozen so I was trying to tune unvented tires.
I didn't realize what I was missing and how well the correct tire can conform to the rock. Plus they don't bounce like a ball
I add weight to try for that 60/40 sweet spot so seldom in the rear. Lighter is better as long as you can get friction on your side.

RTmadnesstoo

The only comparison I've had was between a friend's and my SCX24s.
He had a heavily weighted LWB model, with Injora tires and more wheel travel.
I had a SWB model, with Pro-Line Mickey Thompson tires, not vented, stock everything else.
His was definitely more capable, and grabbed edges better, but mine had more grip on the flat rock surfaces (we were crawling on cinder blocks, and medium coarse Appalachian rock, in between Utah sandstone and Cascadian river rock). I guess Pro-Line's compound is stickier than Injora's.
For where I'm at now, the rocks are hard, smooth, and rounded. They are very difficult to get grip on, but I think the key recipe is lots of surface area, with good tire 'squish', and a sticky compound. I'm liking my vented Pro-Line TSL SS tires. They are smoother than the M-T Baja Pro Xs, so they get more rubber on the rock.

theforestarcher

If you completely seal a tire, could you use a needle syringe to remove air from inside the tire . I would try simple green for a tire softener. I wish I had a hobby related job .

thomasgimenez

Clean the rubber.
Remove hard oxidized rubber...
Abrasives or acetone (once).
There are also sprays and chemicals that aid traction.

Some might find this excessive or cheating, but indoor go-kart tracks spray the surface with soft drink syrup concentrate. It is not just competitions... Here in Canada we used to have good sprays for snow and ice traction... This is a safety measure when trying to navigate a short dangerous hill or windy sloped section.
And of course... Heat the rubber.
Cheers 🍻
PS Thanks, excellent video 👍

andykerr

My first tip or trick I learned was "HOLMES POWER" upgrade helps every time....

tomandrews

I too don’t like to add rotational mass by adding weight
Buying a high mass wheel like a aluminum or one with a brass bead in center is ok but I prefer to tune the foam
Being the courses I’ve run go from outside natural formed obstacles with slight influence from the coarse designer to a completely indoor all man made coarse we tend to have clay sand wood and shale sandstone ect
It’s tough to get that perfect tire

While I do prefer a dual stage foam with some options of tuning disks

I have also been known to use stock traxxas canyon trails that have been modded with a clipper and siped
I also have used proline j concept pitbull ect
Proline dual stage along with 3d printed from many different suppliers and crawler innovation duals
I’ve used 2.2 wheels on 1.9 tires with aftermarket foams as well

Many seem to do well in different locations however none is a go to at all locations as they vary so much

What I have learned is that practicing with the truck set up as intended to use is the best bet

Get your truck set up and drive it learn where it’s limits are

I’ve watched guys take 1 st on podium week after week and they spend hours driving their rig weekly
Their rigs were close to stock

Maybe a servo or some fluid swaps

Consistent is key not how much money you can toss at the truck

Now does a sweet esc motor combo help a little bit I’ve watched guys with stock combos win while guys with 300 combos didn’t podium

The events I go see and have drove on are all skill events

No points for scale

AlbertPerry-fh

Speaking of bigger tires, how much heavier can you go, say on stock utb18? Without destroying drivetrain.

jacobariss

I love Djcrawler tires. The tires are soft and hook well. I have to find that big lug tires on these little guys don't do well.

bigeyefpv

Did you try the 2 speed on the trx4m. Really nice. Slow crawl with constant smooth in low and very fast in high gear. Running stock brushed motor. 49 dollars.

allmightygreat