GRAVELKING SK
The Gravelking SK maintains its position as the benchmark against which all gravel tires are measured.
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| Product code | Size | ETRTO | Tread Color | Sidewall color | Weight(g) | Recommended inflation pressure(kPa) | Recommended inflation pressure(PSI) |
|---|---|---|---|---|---|---|---|
| RF730-GKSK-B2 | 700×30C | 30-622 | ??Black | ??Black | 330 | TLR: MAX 400/ TUBED: MAX 700 |
TLR: MAX 60/TUBED: MAX 100 |
| RF730-GKSK-D2 | 700×30C | 30-622 | ??Black | ??Brown | 330 | TLR: MAX 400/ TUBED: MAX 700 |
TLR: MAX 60/TUBED: MAX 100 |
| RF735-GKSK-B2 | 700×35C | 35-622 | ??Black | ??Black | 420 | TLR: MAX 400/ TUBED: MAX 525 |
TLR: MAX 60/TUBED: MAX 75 |
| RF735-GKSK-D2 | 700×35C | 35-622 | ??Black | ??Brown | 420 | TLR: MAX 400/ TUBED: MAX 525 |
TLR: MAX 60/TUBED: MAX 75 |
| RF740-GKSK-B2 | 700×40C | 40-622 | ??Black | ??Black | 480 | TLR: MAX 400/ TUBED: MAX 525 |
TLR: MAX 60/TUBED: MAX 75 |
| RF740-GKSK-D2 | 700×40C | 40-622 | ??Black | ??Brown | 480 | TLR: MAX 400/ TUBED: MAX 525 |
TLR: MAX 60/TUBED: MAX 75 |
| RF745-GKSK-B2 | 700×45C | 45-622 | ??Black | ??Black | 560 | MAX 400 | MAX 60 |
| RF745-GKSK-D2 | 700×45C | 45-622 | ??Black | ??Brown | 560 | MAX 400 | MAX 60 |
| RF750-GKSK-B2 | 700×50C | 50-622 | ??Black | ??Black | 630 | MAX 350 | MAX 50 |
| RF750-GKSK-D2 | 700×50C | 50-622 | ??Black | ??Brown | 630 | MAX 350 | MAX 50 |
| RF650B43-GKSK-B2 | 650×43B（27.5×1.75） | 43-584 | ??Black | ??Black | 480 | MAX 400 | MAX 60 |
| RF650B43-GKSK-D2 | 650×43B（27.5×1.75） | 43-584 | ??Black | ??Brown | 480 | MAX 400 | MAX 60 |
| RF650B48-GKSK-B2 | 650×48B（27.5×1.90） | 48-584 | ??Black | ??Black | 610 | MAX 350 | MAX 50 |
| RF650B48-GKSK-D2 | 650×48B（27.5×1.90） | 48-584 | ??Black | ??Brown | 610 | MAX 350 | MAX 50 |
| RF650B54-GKSK-B2 | 650×54B（27.5×2.10） | 53-584 | ??Black | ??Black | 660 | MAX 350 | MAX 55 |
| RF650B54-GKSK-D2 | 650×54B（27.5×2.10） | 53-584 | ??Black | ??Brown | 660 | MAX 350 | MAX 55 |
| RF2621-GKSK-B2 | 26×2.10 | 54-559 | ??Black | ??Black | 610 | MAX 350 | MAX 50 |
| RF2621-GKSK-D2 | 26×2.10 | 54-559 | ??Black | ??Brown | 610 | MAX 350 | MAX 50 |
| RF2921-GKSK-B2 | 29×2.10 | 54-622 | ??Black | ??Black | 680 | MAX 350 | MAX 50 |
| RF2921-GKSK-D2 | 29×2.10 | 54-622 | ??Black | ??Brown | 680 | MAX 350 | MAX 50 |