SKU: 97593946679

EBC BRAKES - GPFAX390HH GRAND PRIX (1 SET)

Sale price$2205.00 Regular price$2450.00
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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

EBC BRAKES - GPFAX390HH GRAND PRIX (1 SET)GPFAX is the new compound that replaces GPFA ONLY FOR RACE USE The highest performance friction level known NOT R90 street legal or TV tested Guaranteed for lifetime performance GPFAX Sintered Road Race Brake Pads have by far the highest known friction with a measurement between 0. 6 and 0. 7 and deliver the most amazing brake effect. Because of this factor, they are unsuitable for street use or for road tires. Zero brake fade is guaranteed and the

GPFAX is the new compound that replaces GPFA 

  • ONLY FOR RACE USE
  • The highest performance friction level known
  • NOT R90 street legal or TÜV tested
  • Guaranteed for lifetime performance

    GPFAX Sintered Road Race Brake Pads have by far the highest known friction with a measurement between 0.6 and 0.7 and deliver the most amazing brake effect. Because of this factor, they are unsuitable for street use or for road tires.

    Zero brake fade is guaranteed and the heat stability of these brake pads is perfect leaving the racer with high confidence and a product that can be used over numerous races.

    GPFAX Sintered Road Race brake pads are a closed circuit use pad only and street/highway riding with this material is highly inadvisable and dangerous. Such high friction levels as delivered by these pads are for ideal track conditions with race tires or slicks on prepared asphalt surfaces and NOT for use with highway tires or on the highway. This material is not ECE R 90 approved nor TUV tested with a German ABE and use on the highway is, therefore, illegal in many countries.

    The material quickly builds from an initial friction level of 0.6 ( which in itself is a massive brake friction level rarely achieved by any competitor material) up to a huge 0.7 with a minimum in-stop friction level of 0.65. This tiny fall off from 07 – 0.65 during braking would be almost undetectable by the rider allowing superb brake feedback and control at the lever and allowing feathering of the brake predictably and steadily throughout deceleration.

    The new material also wears better and causes lower rotor/disc damage than previous materials and should be good for 4-5 race events of a typical 20-25 lap duration minimum. Pads should be discarded when less than 2.5 mm of friction material remains to avoid fluid vapor lock due to excess piston fluid volume.

    This material contains no toxic lead nickel or zinc which is a trick used by our competitors to ramp up friction levels the cheap way.

    Preparing your Race discs/rotors before using this Compound 
    Many pads contain carbon particles some in high percentages and this leaves a grey glaze on rotors. This MUST be removed by fine abrasive paper or what is known as a Scratch Pad in the USA. Take care not to promote deep scratches on the rotor which will cause prolonged bedtimes.

    CORRECT USAGE!

    Bedding in your new brake pads

    After installing the pads ride the bike for 2 laps very gently applying the brakes well in advance of where you wish to stop at speeds not exceeding 80 MPH.

    Proceed a further 2-3 laps gradually increasing the brake load until you feel the pads become stable and predictable.

    Bedding into worn or distorted discs/rotors will be dramatically longer.

    Inspect pads every Race for wear on EACH pad and replace when any single pad is down to 2.5 mm or lever becomes spongy. Different brake systems respond differently and have differing amounts of fluid in their piston chambers and the time for an ideal replacement of the pads due to loss of brake feel can only be assessed by the individual rider and bike

    Brake fluid considerations

    Old brake fluid affects the sponge and brake feel. Most brake fluids are Glycol based and over time their hygroscopic nature means they will absorb moisture even through the brake lines. As amazing as this sounds it does happen and fluids can contain as much as 12% water by volume in worst cases.

    It is highly advised to replace brake fluid every 6-8 race events as a minimum with a high wet boiling point fluid such as Maxima Race fluid. Use only fluids from a sealed container, never from a bulk can or drum as in this storage condition the fluid will act like an old material even before you use it having absorbed water since originally opened.

    Brake discs/Rotors for race use

    These products from EBC are fully described here and are ideal for performance and race riding.

    • EBC X discs/rotors
    • EBC XC discs/rotors
    • EBC VR discs/rotors
    Fitment and compatibility
    • Brake Pads
    • EBC Brakes
    • Honda CB 1000R Non - ABS (2009-2015)
    • Honda CBR 1000RR ABS Fireblade (2014-2016)
    • Honda CBR 600RR (07-19)
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 97593946679

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    Tyler W
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    Amazing socks but false advertising. They changed them.
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    Okay well I have 4 stars because these are the best socks ever, infact, I threw out all my other socks and switched to just these. No show and they never slip. THE PROBLEM NOW, all the pairs I ordered before had a white symbol, and every time I buy more they have the grey and they are not as low show as my others… I wanted to simplify life and have all the same kind, no matching of colors or slightly different shape, but 4 times now I’ve ordered white symbol and gotten thicker longer ones with gray symbols. I’m considering switching all of my socks to the gray…. But the white symbol ones are way better, they don’t show with hey dudes on and gray symbol ones do now. I’m at a loss. Can someone tell me where to buy 100 pairs of white symbol so I never need to buy another sock again in my life?
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    lovecolor1
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    ★★★★★ 5
    My favorite
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    My favorite socks, too bad under armour discontinued the cotton blend fabric and went to 100% polyester 😠
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    Natalie Williams
    Belleville, US
    ★★★★★ 5
    Comfortable
    Size: 6-10, Color: Halo Gray/Assorted
    These are my favorite socks!
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    Reviewed in the United States on September 22, 2025
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    Maranda
    Belleville, US
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    Great fit
    Size: Medium, Color: White
    Perfect fit and they don't slide off the back of your ankle.
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    Jessica Burdett
    Carnegie, US
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    Best socks!
    Size: Medium, Color: Blue
    I love these socks! They last for years and they fit so nicely on my feet. I love that I can wear the in tennis shoes or wool boots and they never move!
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    Reviewed in the United States on October 21, 2025

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