› GRP GTX02 Slick Tires

Get the grip you need on any on-road sur­face

RC Car Action - - CONTENTS -

GRP is a tire com­pany based in Europe that has been in busi­ness since 1994. Since then GRP has be­come the go-to tire for many rac­ers around the world. You can get many of GRP’S on-road tires in the United States through Hobby He­roes: 1/10-scale slicks, 1/5-scale treaded on-road tires, var­i­ous colors of spoked wheels, and more.

The GTX02 line of 1/8-scale slick tires come mounted on at­trac­tive black spoked wheels made for 1/8-scale bug­gies and GT on-road cars. They are avail­able in S1 (Xx­soft) to S7 (medium hard) com­pounds; GRP even of­fers a rain slick made out of an ex­tra-soft com­pound. The tires come vented in a very in­ter­est­ing way, with four holes around the di­am­e­ter of the tire, each go­ing from the tire through to and out of the rim. Pack­aged in a reusable bag, bright orange stick­ers tell you what com­pound they are so there’s no guess­ing or hav­ing to mark them your­self.

Bolt­ing them onto my 1/8-scale buggy for test­ing was easy to do; the rims slid right onto the hex adapter with­out any bind­ing. I started out with the S3 (soft) com­pound tires on the buggy and headed to a large, freshly paved park­ing lot along with the other com­pounds to try them out. The S3 com­pound felt right at home on the as­phalt, and af­ter a few min­utes of driv­ing, the slicks were prop­erly worn in and trac­tion im­proved slightly. I drove the buggy around for a few tanks and in­cluded high-speed turns, speed runs, and so on to give the tires a lit­tle taste of ev­ery­thing. Af­ter shut­ting down my buggy I in­spected the tires; they didn’t show any ma­jor signs of wear, and were still se­curely glued to the wheels.

Next, I re­placed the S3 com­pound tires with the S1, drove around slowly for a lit­tle while to break them in, and then dropped the ham­mer; trac­tion was slightly bet­ter in all ar­eas. Af­ter a tank of fuel I made another tire com­pound change, this time to the S7 (medium hard) com­pound. Af­ter a break-in run I found the tires to have a lit­tle bit of a give to them, which al­lowed me to get some drift­ing ac­tion in; drift­ing with any­thing never gets old. Just as with the S3, both the S1 and S7 did their thing and came back un­harmed.

Over­all, GRP makes great tires; the GTX02 tires are well made and per­form nicely. They are a good choice for those who are head­ing to a

lo­cal park­ing lot or get­ting ready for a day of on­road rac­ing. While I didn’t no­tice a big dif­fer­ence in per­for­mance in the park­ing lot, I’m will­ing to bet that the slight dif­fer­ence in com­pounds on a prepped track will re­ally al­low rac­ers to get their cars di­aled in, which tells me GPR means busi­ness when it comes to rac­ing. If you’re pick­ing up a set of tires for some park­ing lot bash­ing, I rec­om­mend the firmer S7 com­pound; it still pro­vides good trac­tion, and it’s go­ing to last a lit­tle longer for you.—kevin Het­man­ski


GRP Tires hob­by­heros.com

Above: The tires come pack­aged in a reusable bag that can be used to or­ga­nize your tires, and keep any dirt or de­bris that is stick­ing to them con­tained.

Left: The tires come glued to at­trac­tive black spoked tires. The glue joint is well done and looks clean.

The tires in­stall with no prob­lem. They are slightly smaller than a 1/8-scale off-road tire, so a gear­ing change will have to be made if you’re putting the tires on a buggy like this.

Yep, that is light you’re see­ing through the tire’s vent hole. Four in to­tal vent the tires.

A large and bright orange la­bel lets you know what com­pound tire you’re about to mount up.

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