The Panaracer GravelKing X1 Plus was designed with the future of gravel tires in mind. It offers the lowest rolling resistance of any GravelKing model and showcases the most aggressive tread design in the GravelKing lineup, providing unmatched performance across various gravel conditions. The plus offers everything that the standard X1 offers, but with added protection for this particularly tough rides where there may be a greater risk of punctures.
In the decade since the introduction of the GravelKing, the gravel market has evolved significantly. The All New GravelKing is equipped with cutting-edge technologies exclusively developed by Panaracer. This next-generation tire aims to surpass its predecessor by delivering unparalleled performance, boasting low rolling resistance, puncture resistance, and a supremely smooth riding experience.
TuffTex is a revolutionary structure crafted exclusively for GravelKing tires. With its supple, high thread count casing, TuffTex ensures durability while boasting precisely engineered bead-to-bead puncture protection. Building upon this innovation, TuffTex + features a dual layer of bead-to-bead TuffTex material, enhancing puncture resistance and overall security.
The all new ZSG Gravel compound is precisely formulated from the 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.
"BeadLock" is a meticulously redesigned bead has been engineered to accommodate an extensive array of rim types, encompassing both hookless and clincher varieties. With its advanced engineering, tire 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 landscape.
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.
The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.
Tire Type: Tubeless Ready | |
Wheel Size: 700C/29" (ISO 622) | |
700c x 35mm - Black | Weight: 450 grams |
Tire Width: 35mm (1.4in) | |
Mfg PartNum: RF735-GKX1-P-B2 | |
700c x 40mm - Black | Weight: 510 grams |
Tire Width: 40mm (1.6in) | |
Mfg PartNum: RF740-GKX1-P-B2 | |
700c x 45mm - Black | Weight: 600 grams |
Tire Width: 45mm (1.8in) | |
Mfg PartNum: RF745-GKX1-P-B2 | |
700c x 35mm - Brown | Weight: 450 grams |
Tire Width: 35mm (1.4in) | |
Mfg PartNum: RF735-GKX1-P-D2 | |
700c x 40mm - Brown | Weight: 510 grams |
Tire Width: 40mm (1.6in) | |
Mfg PartNum: RF740-GKX1-P-D2 | |
700c x 45mm - Brown | Weight: 600 grams |
Tire Width: 45mm (1.8in) | |
Mfg PartNum: RF745-GKX1-P-D2 | |
These are fantastic gravel tires. Great on tarmac as well as on gravel. I needed something that excelled when climbing in loose gravel conditions, and these are excellent. The only downside is they are an absolute bear to put on your rims. I had a lot of tires on my wishlist to try, not anymore - these are it!
Have had these on the bike for over a month before reviewing. They are pretty amazing, super grippy and fast rolling - faster than the semi-slicks I had before from another brand. Have been through gravel, sand, dirt, sharp rocks etc. and they never skip a beat. Haven't had any punctures yet either (knock on wood), which is almost unheard of for me... I always seem to find the one sharp thing in the road. They also don't throw small gravel/stones like the SK's. Packaged nicely as well.
I'm a 240lb rider, and I chose the X1 Plus in 700x45 for UNBOUND 100 because I was concerned about punctures on such a rocky course. These tires had a lot of grip/stability, and I think the puncture protection gave me the confidence to ride more aggressively. I haven't seen official tests yet, but I think it's fair to say that the additional bead-to-bead puncture protection makes the X1 Plus slower than the X1 R variant (e.g. test data shows the GravelKing SS Plus are slower than the SS.) I took the X1 R to the 200k Rift in Iceland, and it turned out that course's risk for punctures was even worse than Unbound's. Even so, the X1 R's never flatted. All around, the X1 series is a great tire with a lot of grip. I'll be sticking with them.
Really like these Panaracers. They feel great on both fast, hard packed gravel as well as the chunky, rocky, single track. They survived 2024 UnboundXL and lots of single track mountain bike trails, and still manage to feel at home on the group ride. They were a bit of a pain to muscle on the wheel the first time, but once there they are so stiff they seat immediately. The plus casing feels bomb proof. Despite hard, fast descending on rough terrain I haven't seen a single puncture. That being said, if I was mostly taking these on good gravel roads, I'd probably drop down to the regular casing. Only note is that they feel a smidge slippy on long descents, however that may be the stiffer casing.
