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Tires and Tubes > Road Tires > Gravel Tires

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Panaracer GravelKing EXT+ 700c Tire (2023)
Panaracer GravelKing EXT+ 700c Tire (2023)
Panaracer GravelKing EXT+ 700c Tire (2023)
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Panaracer GravelKing EXT+ 700c Tire (2023) 8
Panaracer GravelKing EXT+ 700c Tire (2023) 10
Panaracer GravelKing EXT+ 700c Tire (2023) 11

Panaracer GravelKing EXT+ 700c Tire (2023)


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Super tough. Mud ready.

EXT stands for Extreme Conditions and it's for good reason. When you want the strength and puncture resistance of the GravelKing and the ability to confidently ride through the muddiest conditions and most aggressive gravel, the GravelKing EXT is your answer.

The EXT has sides reinforced with Protite Shield technology, a bead-to-bead nylon puncture belt, resulting in a 4ply, super-tough casing. Unique to this tire is the aggresive tread pattern, designed for the most extreme of conditions; on the roads less traveled.

  • Available in 700c x 33mm
  • Black or brown sidewall

  • B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.


    Wheel Size: 700C/29" (ISO 622) 

    Tire Type: Tubeless Ready 

    Threads Per Inch: 127 

    Application: Gravel and Mud 

    700 x 33mm - Black

    Mfg PartNum: RF733-GKEXT-P-B 

    Tire Width: 33mm (1.3in) 

    700 x 35mm - Black

    Tire Width: 35mm (1.4in) 

    Mfg PartNum: RF735-GKEXT-P-B 

    700 x 38mm - Black

    Mfg PartNum: RF738-GKEXT-P-B 

    Tire Width: 38mm (1.5in) 

    700 x 35mm - Brown Sidewall

    Tire Width: 35mm (1.4in) 

    Mfg PartNum: RF735-GKEXT-P-D 

    700 x 38mm - Brown Sidewall

    Mfg PartNum: RF738-GKEXT-P-D 

    Tire Width: 38mm (1.5in) 


    Ordered by Most Relevant First
    5 stars
    4 stars
    3 stars
    2 stars
    1 stars
    Reviewed 2/1/2021
    by Scotty K
    Competitive Racer
    Boston, MA
    Value Rating
    Overall Rating
    1 of 1 customers found this review helpful.
    Very good gravel tire

    These replaced a pair of Challenge Gravel Grinder Race tires for gravel, dirt road and mixed terrain rides, so comparing to those. I got the 700x38 mm with tan sidewalls

    Pros - Running these tubeless on Stan Grails and hooked up well, even after multiple moves (tried to put them on tubeless Mercury wheelset, but nothing runs tubeless on those wheels). After about 500 miles, they are wearing well with little tread wear. They provide good grip and don't collect mud in the tread. They have also been tough on rocky, rooty New England trails. They also look nice with the tan

    Cons - higher rolling resistance than the Challenges so being on pavement more of a chore. Also, just a quibble, sidewall markings are hard to read

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    Reviewed 6/1/2020
    by Tobin
    Overall Rating
    3 of 4 customers found this review helpful.
    Perfect for the mud I bought them for

    I ran these for Landrun 2020 and they were an essential part of the kit that got me across the finish line. They cut through the Oklahoma mud, gripped well when I needed them too and didnt build up too much. Extremely happy that I ran those tires for the race and happy with the way theyve worked on non-muddy gravel roads

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    Reviewed 8/6/2020
    by Roverlord
    Cycling Enthusiast
    North Bend, WA
    Overall Rating
    3 of 3 customers found this review helpful.
    Good traction, but fragile in PNW mixed conditions

    I ran these for about 1K miles in size 38mm in a variety of conditions in the PNW, primarily Forest Service gravel and dirt roads of varying quality, plus some local dirt and root singletrack. I used them tubeless with Stan's sealant. While they provide good traction in nearly all conditions, I found the sidewalls to be pretty fragile. I had to retire them after the rear tire would no longer reliably hold air pressure after suffering many cuts that the Stan's sealant could not effectively seal. I tried gluing the worst of the cuts, but that did not help much.

    If you are riding on primarily loose gravel and dirt doubletrack without rough granite or sharp shale, these may work well.

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    Reviewed 10/11/2021
    by Phil H
    Competitive Racer
    Penngrove, CA
    Overall Rating
    PANARACER GRAVELKING EXT+ 700C TIRES are an excellent value

    I bought these tires for my wife's Topstone gravel bike. I found that they mounted easily and sealed up well with Stan's sealant. She reports that they hook up well on the rockier sections of the fire roads on the lower part of Mt. Tamalpais in Marin County, CA. We are pleased with them and would buy them again!

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    Mechanic's Corner

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    A guide to bicycle tire sizes, both standard on newer bikes and common on older bikes.
    Understanding older bicycle tire sizes.
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    A guide to understanding tire width.
    A guide to understanding bicycle tire tread patterns and what you should look for.
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