The all new GravelKing EXT has been developed for the most extreme conditions you can throw at it. With a tread design tailored to work best in muddy and sloppy conditions, the EXT will keep gripping through the absolute worst of it.
With new updated in BeadLock technology to give you confidence when mounting the tyres and riding. The new updated EXT has the new TuffTex+ casing, supple & strong with bead to bead double layered protection built in.
TECHNOLOGIES
ZSG Gravel Compound
The all new ZSG GRAVEL compound is precisely formulated from our exclusive ZSG (Zero Slip Grip) material. Crafted specifically for gravel terrain, this unique compound guarantees exceptional resilience against temperature variations, delivering consistent rubber performance from freezing cold to sweltering heat. Engineered to excel on both gravel and tarmac surfaces, it boasts lower rolling resistance while maintaining optimal grip levels, ensuring uncompromised performance in diverse conditions.
TuffTex+ Casing
TuffTex is a revolutionary structure crafted exclusively for GravelKing tyres. With its supple, high thread count casing, TuffTex ensures durability while boasting precisely engineered bead-to-bead puncture protection. This unique blend guarantees an exceptionally smooth ride, offering the lowest rolling resistance available in a GravelKing tyre. TuffTex+ Increases resilience with a dual layer of bead-to-bead TuffTex material, providing additional puncture resistance and heightened security in the most challenging conditions.
BeadLock
Our meticulously redesigned bead has been engineered to accommodate an extensive array of rim types, encompassing both hookless and clincher varieties. With its advanced engineering, tyre mounting becomes a seamless process, often achievable with just a standard floor pump, ensuring effortless adaptability and superior performance on any terrain. BeadLock is specifically engineered precisely for the evolving gravel market landscape.
FEATURES
- ZSG Gravel Compound
- 120Tpi TuffTex+ Double Layer Casing with added Puncture Protection
- BeadLock
- TLR / Tubeless Ready / Folding
- Sizes: 700 x 38c / 700 x 45c
- Weight: 480g / tbc
- Colours: Black/Black, Black/Brown
- Made in Japan
QUESTIONS & ANSWERS
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Standard UK postage if Free for items £20 or over sent via Royal Mail 48 service. Postage for orders under £20 is £3.99.
We send all orders as quickly as we can which is normally the same working day if ordered before 3pm (Monday to Friday excluding Bank Holidays). Small packages are sent using Royal Mail First Class, Tracked 48 and Special Delivery for higher value items. Bulkier items like Wheels, Frames and Home Trainers are sent with one of our couriers either DPD or DHL. All orders are fully insured and most will require a signature on delivery. Standard delivery is 1-2 working days. Order places over the weekend or on Bank Holiday will be sent with our next working day collection.
We have thousands of items in stock ready to despatch from our large warehouse.
- In stock - Ready to despatch - In stock in our warehouse ready to ship out normally the same working day when ordered before 3pm
- In stock - 2 - 3 day despatch - In stock in our suppliers warehouse. Once we receive your order we will order from our supplier and ship out to you as soon as the item arrives in our warehouse.
We offer an optional Next Working Day Delivery service for orders placed before 3pm. (Next Working Day Delivery when ordered Monday to Friday Before 3pm - Excluding Bank Holidays). Depending on the size and weight of the item and your postal location we send with Royal Mail Special Delivery 1pm our Courier DPD or DHL on their 24 hour service. Remote Highland and Island locations may not be guaranteed next working day.
International shipping rates are calculated by the weight and value of the items and the country they are being shipped to. To get a shipping quote just add the items to your basket and use the Shipping Estimator at the bottom of the basket page to calculate the shipping rates to your country. Depending on weight and value of your order we send with Royal Mail Standard Airmail, Signed For or Tracked service. Standard delivery time is 5-15 working days for most European countries and 5-25 working days for most other countries.
We offer DHL Express as a much quicker delivery option for Europe, US and Worldwide. Most of Europe and USA is 1-2 working day delivery. Other countries 2-4 working days.
Please be aware that Import Duties, Local Taxes and Courier handling fees may be payable when importing into most countries. The UK is no longer part of the European Union so import charges will be due when shipping to most countries.

We accept most major credit and debit cards along with PayPal, Apple Pay and Google Pay through our secure checkout process. You will be asked to enter your card details and the billing name and address of the card holder when you place your order. Other payment methods will guide you through the payment process.
For your security and privacy, we do not store any payment card information.

Finding the correct product can sometimes be overwhelming, so If you have any questions regarding this or any other product please get intouch.
contact@highonbikes.com
+44 (0) 1704 841529