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May 14, 2025

EFRA announce GRP as backup 1:8 GT Euros tyre supplier

EFRA has announced the selection of GRP Tyres as the back-up supplier of controlled tyre for the upcoming 1:8 GT European Championships after the withdrawal of the original supplier. PMT had been selected as the controlled tyre for the June 18-21 event in Leipzig, Germany, but following quality issues at the recent round of the highly competitive Italian National Championship, the company sent a letter to the Euros hosts in which they stated, ‘We believe it is our duty—out of respect for the organization and drivers—to step back from the 2025 Championship supply, as we are currently unable to ensure the quality standards required for such a prestigious event.’ You can read the full letter here. The fourth running of the 1:8 GT European Championships, drivers will now race on GRP’s T03 REVO on XM2 SuperSoft compound mounted on their rigid white wheel. Italian Natanaele Senesi will be hoping to defend his nitro title Modell Racing Club Leipzig track while fellow countryman Rosario Giaimo will aimed to hold on to his title in the electric category.

Source: EFRA [efra.ws]

March 24, 2025

GRP Ai-TECH 1:8 Buggy Tyres go into full production

Having recently announced its new range of Ai-TECH 1:8 Buggy tyres, Italian manufacturer GRP has begun full production of the four different tyre patterns on offer. A completely new concept, all elements of the tyres have been redesigned with new tread design, internal profile, insert, wheel and compounds, to improve performance in every track condition from traditional low-grip to modern high-grip. The internal profile has a new circular texture and lateral reinforced edge, calculated with Ai performing tools, which improves the deformation in traction and lateral grip. With each new Pixel, Block, Triky and Flexy thread designs produced using new moulds that have been made with chromed special steel using new laser technology, this ensures the tyres are perfectly balanced and do not require balancing before use. Each Ai-TECH thread pattern is offered in 5 options, 2 different polymers formulation, synthetic rubber and natural rubber, each in Soft and Supersoft, and a mixed compound in Soft.

Source: GRP [grpgandini.it]

March 7, 2025

GRP Ai-TECH 1:8 Buggy Tyre Range

Italian tyre manufacturer GRP have introduced their brand new Ai-TECH 1:8 Buggy tyres which are the first range in the world designed by Ai performing tools. The Gandini brothers’ famed tyre brand has introduced four different patterns under the Ai-TECH range with the Pixel, Block, Triky and the Flexy. A completely new concept, all the tyre parts have been redesigned: tread design, internal profile, insert, wheel and compounds, to improve performance in every race situation and on every type of track from traditional low-grip to modern high-grip. With each new pattern design produced by new moulds, that themselves have been made with chromed special steel using new laser technology, the tyres are perfectly balanced and do not require balancing before use. The internal profile has a new circular texture and lateral reinforced edge, calculated with Ai performing tools, to improve the deformation in traction and lateral grip. In terms of compounds the Ai-TECH range is offered in 5 options, 2 different polymers formulation, synthetic rubber and natural rubber, each in Soft and Supersoft, and a mix compound in Soft. The range gets a new orange closed cell inserts worked with CNC machines for perfect shape regularity, and very long life, with possibility to reuse for many times beyond the life of the tyre. New wheels are produced with Dupont high quality material, and improved to withstand any temperature from use.

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July 27, 2020

GRP X-Tech 1/5th scale touring car tyres

Italian company GRP have introduced their new X-Tech range of 1/5th scale touring car tyres. Available are four new tyre lines that utilise optimised rubber compounds to better cope with specific grip conditions while the inner reinforcement belts have also been improved with new specific weave angles maximising durability. All tyres also include optimised foam inserts for best possible tyre support on the new material rims that are moulded from a new high-quality Dupont material for high temperature resistance and optimised flex at lower temperatures. The tyre range features the XM Competition tyres including both semi slick and slick treads in ultra soft, extra soft, soft and medium compound, a high-end tyre best used in low, medium or high-grip conditions. Also new is the XP Endurance semi slick tyre in soft and medium compound that offers increased durability in medium and high-bite conditions. Also new is the XS Sport tyre in extra soft, soft and medium compound that is a great general usage tyre for dirty or older low-grip tracks. Last but not least comes the XR Rain tyre in extra soft compound for the use on wet or humid asphalt tracks. All tyres are available with white or black rims from now on.

View the XM Competition Slick & XR Rain tread here

June 15, 2018

GRP M compound 1/5th scale formula tyres

GRP have introduced their new M compound tyres for 1/5th large scale formula cars. The updated rubber compound is available in M1 extrasoft, M2 soft and M3 medium hardnesses and it is meant to offer improved traction, better steering and stronger braking performance. In addition the durability has also been improved, making up for the slight increase in price.

Source: GRP [grpgandini.it]

April 10, 2018

GRP 2018 R2 & R3 1/5th scale moto bike tyres

Italian company GRP have introduced the 2018 variants of their R2 and R3 rubber compounds for 1/5th scale moto bikes. The new R2 compound was developed to excel in low ambient temperatures and on wet tracks while the R3 rubber is best used on tracks that already took a lot of rubber and when racing in high ambient temperatures. The tyres are available in different specifications, with or without rim.

Source: GRP [grpgandini.it]

April 15, 2016

GRP Micro & Cross 1/6th scale off-road tyres

GRP have introduced the new Micro and Cross 1/6th scale off-road tyres. Starting with the Micro tyre, the tread was designed for the use on clean or slightly dusty tracks with medium to high grip. Smaller sized blocks make for good traction and and an easy to drive car. The Cross was designed for sandy and dusty low to medium grip conditions with the tyre’s asymmetric design allowing to adjust the overall grip available. The tread offers additional outer ribs on one side – which is not visible in the above rendering – to increase side bite in loose track conditions. Both 180mm tyres are available in the dirt-specific S-series and sand/astroturf specific P-series compounds including inserts.

Source: GRP [grpgandini.it]

January 7, 2016

GRP 1/5th scale bike tyres

GRP have added new 1/5th scale on-road bike tyres to their 2016 line-up. Both the pre-mounted front and rear wheels are available in the new M5 soft and M3 super soft compound as well as the R2 light rain/humid compound. The rear tyres are of a new shape for improved traction and side bite and all tyres are available pre-glued on a full rim or as open rim type.

Source: GRP [grpgandini.it]