GRAVELKING X1
The future of gravel tires
About
The X1 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.
Detail
Bead
Folding
Movie
RESISTANCE
GRIP
GRIP
PROTECTION
SUPPLENESS
| Product code | Size | ETRTO | Tread Color | Sidewall color | Weight(g) | Recommended inflation pressure(kPa) | Recommended inflation pressure(PSI) |
|---|---|---|---|---|---|---|---|
| RF735-GKX1-B2 | 700×35C | 35-622 |  Black |
Black |
420 | TLR: MAX 400/TUBED: MAX 525 | TLR: MAX 60/TUBED: MAX 75 |
| RF735-GKX1-D2 | 700×35C | 35-622 | Black |
 Brown |
420 | TLR: MAX 400/TUBED: MAX 525 | TLR: MAX 60/TUBED: MAX 75 |
| RF740-GKX1-B2 | 700×40C | 40-622 | Black |
Black |
480 | TLR: MAX 400/TUBED: MAX 525 | TLR: MAX 60/TUBED: MAX 75 |
| RF740-GKX1-D2 | 700×40C | 40-622 | Black |
Brown |
480 | TLR: MAX 400/TUBED: MAX 525 | TLR: MAX 60/TUBED: MAX 75 |
| RF745-GKX1-B2 | 700×45C | 45-622 | Black |
Black |
560 | MAX 400 | MAX 60 |
| RF745-GKX1-D2 | 700×45C | 45-622 | Black |
Brown |
560 | MAX 400 | MAX 60 |
| RF750-GKX1-B2 | 700×50C | 50-622 | Black |
Black |
640 | MAX 350 | MAX 50 |
| RF750-GKX1-D2 | 700×50C | 50-622 | Black |
Brown |
640 | MAX 350 | MAX 50 |
| RF650B48-GKX1-B2 | 650x48B 27.5x1.90 |
48-584 | Black |
Black |
610 | MAX 350 | MAX 50 |
| RF650B48-GKX1-D2 | 650x48B 27.5x1.90 |
48-584 | Black |
Brown |
610 | MAX 350 | MAX 50 |
Product code
Size
700×35C
ETRTO
35
Tred
Black
Sidewall color
Black
Weight(g)
420
Recommended inflation pressure(kPa)
TLR: MAX 400/TUBED: MAX 525
Recommended inflation pressure(PSI)
TLR: MAX 60/TUBED: MAX 75
Size
700×35C
ETRTO
35
Tred
Black
Sidewall color
Brown
Weight(g)
420
Recommended inflation pressure(kPa)
TLR: MAX 400/TUBED: MAX 525
Recommended inflation pressure(PSI)
TLR: MAX 60/TUBED: MAX 75
Size
700×40C
ETRTO
40
Tred
Black
Sidewall color
Black
Weight(g)
480
Recommended inflation pressure(kPa)
TLR: MAX 400/TUBED: MAX 525
Recommended inflation pressure(PSI)
TLR: MAX 60/TUBED: MAX 75
Size
700×40C
ETRTO
40
Tred
Black
Sidewall color
Brown
Weight(g)
480
Recommended inflation pressure(kPa)
TLR: MAX 400/TUBED: MAX 525
Recommended inflation pressure(PSI)
TLR: MAX 60/TUBED: MAX 75
Size
700×45C
ETRTO
45
Tred
Black
Sidewall color
Black
Weight(g)
560
Recommended inflation pressure(kPa)
MAX 400
Recommended inflation pressure(PSI)
MAX 60
Size
700×45C
ETRTO
45
Tred
Black
Sidewall color
Brown
Weight(g)
560
Recommended inflation pressure(kPa)
MAX 400
Recommended inflation pressure(PSI)
MAX 60
Size
700×50C
ETRTO
50
Tred
Black
Sidewall color
Black
Weight(g)
640
Recommended inflation pressure(kPa)
MAX 350
Recommended inflation pressure(PSI)
MAX 50
Size
700×50C
ETRTO
50
Tred
Black
Sidewall color
Brown
Weight(g)
640
Recommended inflation pressure(kPa)
MAX 350
Recommended inflation pressure(PSI)
MAX 50
Size
650x48B
27.5x1.90
ETRTO
48
Tred
Black
Sidewall color
Black
Weight(g)
610
Recommended inflation pressure(kPa)
MAX 350
Recommended inflation pressure(PSI)
MAX 50
Size
650x48B
27.5x1.90
ETRTO
48
Tred
Black
Sidewall color
Brown
Weight(g)
610
Recommended inflation pressure(kPa)
MAX 350
Recommended inflation pressure(PSI)
MAX 50