The Gravelking SK+ enhances protection precisely where it’s needed, ideal for navigating the most challenging terrain.
| Product code | Size | ETRTO | Tread Color | Sidewall color | Weight(g) | Recommended inflation pressure(kPa) | Recommended inflation pressure(PSI) |
|---|---|---|---|---|---|---|---|
| RF730-GKSK-P-B2 | 700×30C | 30-622 | ⬛️Black | ⬛️Black | 370 | TLR: MAX 400/ TUBED: MAX 700 |
TLR: MAX 60/TUBED: MAX 100 |
| RF730-GKSK-P-D2 | 700×30C | 30-622 | ⬛️Black | 🟫Brown | 370 | TLR: MAX 400/ TUBED: MAX 700 |
TLR: MAX 60/TUBED: MAX 100 |
| RF735-GKSK-P-B2 | 700×35C | 35-622 | ⬛️Black | ⬛️Black | 450 | TLR: MAX 400/ TUBED: MAX 525 |
TLR: MAX 60/TUBED: MAX 75 |
| RF735-GKSK-P-D2 | 700×35C | 35-622 | ⬛️Black | 🟫Brown | 450 | TLR: MAX 400/ TUBED: MAX 525 |
TLR: MAX 60/TUBED: MAX 75 |
| RF740-GKSK-P-B2 | 700×40C | 40-622 | ⬛️Black | ⬛️Black | 510 | TLR: MAX 400/ TUBED: MAX 525 |
TLR: MAX 60/TUBED: MAX 75 |
| RF740-GKSK-P-D2 | 700×40C | 40-622 | ⬛️Black | 🟫Brown | 510 | TLR: MAX 400/ TUBED: MAX 525 |
TLR: MAX 60/TUBED: MAX 75 |
| RF745-GKSK-P-B2 | 700×45C | 45-622 | ⬛️Black | ⬛️Black | 600 | MAX 400 | MAX 60 |
| RF745-GKSK-P-D2 | 700×45C | 45-622 | ⬛️Black | 🟫Brown | 600 | MAX 400 | MAX 60 |
| RF750-GKSK-P-B2 | 700×50C | 50-622 | ⬛️Black | ⬛️Black | 690 | MAX 350 | MAX 50 |
| RF750-GKSK-P-D2 | 700×50C | 50-622 | ⬛️Black | 🟫Brown | 690 | MAX 350 | MAX 50 |
| RF650B48-GKSK-P-B2 | 650×48B(27.5×1.90) | 48-584 | ⬛️Black | ⬛️Black | 650 | MAX 350 | MAX 50 |
| RF650B48-GKSK-P-D2 | 650×48B(27.5×1.90) | 48-584 | ⬛️Black | 🟫Brown | 650 | MAX 350 | MAX 50 |
| RF2621-GKSK-P-B2 | 26×2.10 | 54-559 | ⬛️Black | ⬛️Black | 650 | MAX 350 | MAX 50 |
| RF2621-GKSK-P-D2 | 26×2.10 | 54-559 | ⬛️Black | 🟫Brown | 650 | MAX 350 | MAX 50 |
| RF2921-GKSK-P-B2 | 29×2.10 | 54-622 | ⬛️Black | ⬛️Black | 720 | MAX 350 | MAX 50 |
| RF2921-GKSK-P-D2 | 29×2.10 | 54-622 | ⬛️Black | 🟫Brown | 720 | MAX 350 | MAX 50 |