Panaracer GravelKing SK Tire – 700x45, Tubeless Ready, Folding Bead, British Racing Green
The Panaracer GravelKing SK is a proven gravel tire designed for riders who need traction off-road without sacrificing rolling efficiency on pavement. This updated version improves rolling resistance, bead retention, and puncture protection—finished here in British Racing Green for a clean, classic look.
Key Functional Details
- 700x45 size for increased volume and comfort
- Tubeless-ready (TLR) folding bead construction
- SK tread pattern with square knobs for off-road traction
- Continuous center ridges for smoother rolling on pavement
- TuffTex puncture protection casing
- Anti-flat technology reduces punctures without excess weight
- 120 TPI casing for ride quality and durability balance
- British Racing Green sidewall for distinctive appearance
Technical Specifications
| Brand | Panaracer |
| Model | GravelKing SK |
| Size | 700 x 45c |
| ISO | 622 |
| Bead | Folding (Tubeless Ready) |
| TPI | 120 |
| Max PSI | 50 PSI |
| Puncture Protection | TuffTex / Anti-Flat Casing |
| Tread Style | Semi-Knob (SK) |
| Sidewall | British Racing Green / Black |
| UPC | 4931253035623 |
Compatibility & Technical Notes
Good Fit:
- Gravel bikes with clearance for 700x45c tires
- Tubeless setups (with compatible rims and sealant)
- Mixed terrain riding: gravel, dirt, and pavement
- Riders wanting both traction and rolling efficiency
Not A Fit:
- Road bikes with limited clearance (< 45c)
- Pure pavement riding (slick tires roll faster)
- Deep mud conditions requiring aggressive tread spacing
Always confirm frame and fork clearance before installing wider tires like 700x45c.
Service / Ownership Context
Best performance comes when set up tubeless at lower pressures. Installation may require a high-volume pump or compressor for bead seating. Maintain sealant regularly for consistent puncture protection.
Fit & Use Signals
- Ideal for gravel riders exploring mixed terrain routes
- Good for riders transitioning between road and dirt
- Popular for endurance gravel events and bikepacking
- Balanced tire for speed, grip, and durability
The SK is one of the most versatile gravel tires—fast enough for pavement but still capable off-road. 700x45 is a large volume tire—clearance is the #1 issue, especially on older gravel frames. The updated bead seats better than older GK models but can still be tight on some rims. TuffTex adds real puncture resistance without killing ride feel. British Racing Green is popular for custom builds—expect customers to buy based on color as much as function. Upsell: tubeless setup kit (valves, sealant, tape).