About The Product
- Aggressive tread pattern featuring long vertical blocks in the center paired with ramped shoulder and corner lugs that provide fast rolling characteristics while offering maximum grip
- Part of the newly updated GravelKing line, the latest model year sees improved rolling resistance, TuffTex belting, and redesigned bead for improved retention
- Specially designed tread tailored to work best in sloppy mud, loose rock, gravel and similar conditions
Experience unparalleled performance with the Panaracer GravelKing EXT Tire - the ultimate choice for gravel, dirt, and rough pavement adventures. Designed to conquer challenging terrains, this 700 x 38 tubeless tire combines innovative materials, advanced engineering, and versatile features to elevate your cycling experience.
Materials & Construction:
Crafted with high-quality TuffTex casing featuring a supple, high thread count and bead-to-bead puncture protection, the GravelKing EXT ensures durability and reliability on demanding routes. Its folding aramid bead offers superior flexibility and ease of installation, making it lightweight and portable for any ride.
Performance & Engineering:
Equipped with Panaracer's proprietary ZSG (Zero Slip Grip) Gravel Compound, this tire delivers exceptional grip and consistent performance across varying temperatures and weather conditions. The tubeless-ready design, compatible with hookless rims and capable of safely handling up to 60 PSI, minimizes flats and enhances rolling efficiency on loose or muddy surfaces.
Components & Technology:
The BeadLock system broadens rim compatibility, accommodating both hookless and clincher profiles with ease-often mountable with just a standard floor pump. The tire's tubeless setup reduces rolling resistance, improves comfort, and provides better puncture resistance, making it ideal for long-distance gravel riding, cyclocross, and mixed-terrain adventures.
Style & Use Case:
Featuring a sleek black and brown colorway, the GravelKing EXT blends rugged functionality with stylish understated aesthetics. Its aggressive tread pattern is optimized for muddy conditions, while the versatile 700 x 38 size suits a wide range of gravel bikes. Whether tackling muddy trails, wet dirt paths, or rough pavement, this tire offers the traction and control needed to keep you confident in challenging environments.
Innovative & Differentiating Features:
- Tubeless compatible with hookless rims for easier mounting and lower maintenance
- High-tread, puncture-protected casing for extended durability and peace of mind
- Proprietary ZSG Grip Compound for consistent grip and lower rolling resistance
- BeadLock technology for broad rim compatibility, including hookless and clincher wheels
Upgrade your gravel setup with the Panaracer GravelKing EXT Tire - engineered for extreme terrains, built for adventure. Maximize your riding potential with this durable, high-performance tire designed to deliver exceptional traction, reliability, and style on every ride.
- Enhanced traction and control on mud, wet surfaces, and challenging terrains, thanks to the specialized EXT (Extreme) tread pattern designed for aggressive gravel riding and off-road use.
- Constructed with high-quality TuffTex casing featuring a high thread count and bead-to-bead puncture protection, offering durability, flexibility, and reliable performance in rugged environments.
- Folding Aramid bead allows for easy installation on a variety of rims, including hookless and clincher types, and enhances portability with a lightweight 450g design for avid gravel and adventure cyclists.
- Built with ZSG Gravel Compound, a proprietary rubber formulation delivering outstanding weather resistance, lower rolling resistance, and improved grip across temperature fluctuations for consistent ride quality.
- Tubeless ready (up to 60 PSI) with beadlock compatibility, providing a secure seal, reduced flats, and enhanced performance for gravel, dirt, and mixed surface adventures.
| Specification | Value |
|---|---|
| Manufacturer | PANARACER |
| Manufacturer Part No. | RF738-GKEXT-D2 |
| Universal Product Code | 4931253031649 |
| Invoice Description | TIRE PAN GRAVELKING EXT 700x38 FOLD TBLS BK/BN (O) |
| Shipping Weight | 1.00 lbs. |
| Package Dimensions | 10.2 x 7.7 x 4.4 |
| HTS Number | 4011.50.0000 |
| Country of Origin | JAPAN |
| Style | Tubeless |
| Size | 700x38 |
| ISO | 622 |
| Bead | TBLS - Fold |
| Belted | Belted |
| Tread/SW | Bk/Brn |
| PSI | 60 |
| TPI | 120 |
| Reflective Sidewall | No |
| Tread Style | Knobby |
- Supplier:
- JBI
Bike Junkies offers no‑hassle returns and exchanges within 60 days of delivery. We want every customer to feel confident when shopping with us, and our return process is designed to be simple, fair, and fast.
Return Eligibility
To qualify for a return or exchange, the following conditions must be met:
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The item must be in new, unused, and uninstalled condition.
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All original packaging, tags, hardware, and accessories must be included and intact.
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Items showing wear, installation marks, damage, or improper use cannot be accepted.
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An order number is required.
Once your return is received at our warehouse, a refund will be issued within 5 days after inspection.
Refunds
Refunds are issued to the original form of payment once the returned item has been received and approved. If we are unable to refund to the original payment method, the refund will be issued as store credit.
Depending on your bank or credit card provider, it may take an additional 2–3 business days for the refund to appear in your account.
Exchanges
To make an exchange, simply complete the return process and then place a new order for the item you want instead. This ensures the replacement item is reserved and ships quickly.
How to Start a Return
To request a Return Authorization (RA#), contact us at support@bikejunkies.com. Please include your order number and the item you wish to return.
Once approved:
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You will receive a Return Authorization email with instructions.
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Print the prepaid label provided by us. ($9.99 will be deducted from your refund)
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Ship the item back within 7 days of the RA being issued as RA #'s are only valid for 7 days.
Please do not tape anything to the original product packaging. Place the item inside a proper shipping box. Using the manufacturer’s box as the shipping container will result in damage and the return may be rejected.
Be sure to keep your return tracking number. Powersport Junkies is not responsible for lost return shipments. You will receive a confirmation email once your return has been processed and refunded.
Defective, Incorrect, or Damaged Items
If you receive a defective, damaged, or incorrectly shipped item, contact us immediately. We will cover the return shipping cost and ensure the issue is resolved quickly.
Non‑Returnable Items
Certain items cannot be returned, including:
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Electronics with opened packaging or broken manufacturer seals
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Any part that has been installed or shows installation attempts
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Tools or chemicals that have been opened or unsealed
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Open‑box items with destroyed or missing packaging
Our Info
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Storefront name: Bike Junkies
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Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
This Shipping Policy explains how orders are processed, handled, and delivered by Bike Junkies, including delivery timelines, shipping coverage, and special conditions for military addresses. It is designed to give customers a clear understanding of what to expect when placing an order.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Order Processing and Handling
Orders are processed quickly to ensure fast delivery. Our standard handling time is 0–1 business days. Order cutoff time is 12 PM PST Monday-Friday and orders placed after that will be shipped shipped next business day.
Transit Times
Once shipped, orders typically arrive within 2–3 business days. Transit times may vary slightly depending on the destination, weather conditions, or carrier-related delays. Delivery estimates apply only after the order has left our facility.
Delivery Schedule
Standard delivery occurs Monday through Friday. Saturday delivery may be available.
Shipping Coverage
Bike Junkies offers free shipping to the lower 48 states of the United States. We do not ship to the following locations:
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Alaska
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Hawaii
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Puerto Rico
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Any international destination outside the United States
Orders placed with shipping addresses in restricted locations will be canceled and refunded.
Military Shipping (APO/FPO)
Bike Junkies ships to APO/FPO military addresses using USPS only.
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We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.
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Transit times to APO/FPO locations may vary significantly depending on military mail processing.
Address Accuracy and Delivery Issues
Customers are responsible for ensuring that all shipping information provided at checkout is accurate and complete. Bike Junkies is not responsible for delays, lost packages, or delivery failures caused by incorrect or incomplete addresses. If a package is returned due to an address error, additional shipping charges may apply to resend the order.
Lost, Delayed, or Damaged Shipments
If a shipment is delayed, lost, or arrives damaged, customers should contact us promptly so we can assist with initiating a claim or resolving the issue with the carrier. While we support the process, final decisions regarding claims are made by the carrier.
Tracking Information
A tracking number is provided via email once the shipping label has been created. Tracking updates may take up to 24 hours to appear after the label is generated.
Shipping Restrictions
Certain items may be subject to shipping restrictions due to size, weight, or hazardous material regulations. If an order cannot be shipped due to such restrictions, we will notify the customer to arrange an alternative solution.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
For warranty issues please contact us at support@bikejunkies.com. Each Brand is different and we can provide instruction to complete warranty issues.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
