Colnago G4-X Gravelbike - Shimano GRX - PIGR
Colnago G4-X Gravelbike - Shimano GRX - PIGR - 520 (54) has been ordered and will be shipped as soon as it is back in stock.
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The delivery of your bike
The delivery of your bike
We usually ship your bike via PostNL or with a courier. You can specify your preferred shipping method at checkout. More information about the shipping of your order can be found on this information page. If you still have any questions, please contact us via the contact page.
Pick-up at Bykz
Pick-up at Bykz
You can of course also choose to pick up your order at Bykz. With our SmartFit system, we determine your optimal position and deliver the bike 100% ready to ride.
Return Policy
Return Policy
Bykz has a return period of 30 days after receiving the order. To register a return shipment, please contact us via our contact page.
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Colnago G4-X Gravelbike - Shimano GRX - PIGR
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Shimano GRX Di2 Sublime Shifting: Lightning-fast, flawless, and electronic shifting under heavy off-road load, combined with excellent ergonomics and anti-slip shifters.
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The specific gravel geometry provides a lot of stability and confidence on unpaved paths and technical sections.
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The frame provides enough space for wide tires, allowing you to customize the bike for different terrains.
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The PIGR color is specially developed to make dirt and mud less visible during your rides.
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Unlike systems with separate, clickable batteries, you charge the central internal Di2 battery directly on the bike via the port on the rear derailleur (although the battery life is extremely long, lasting thousands of kilometers).
More information
Description
Description
Technology
Technology
All specifications
| General | |
|---|---|
| Brand | Colnago |
| Frameset material | Carbon |
| geometry | Gravel / Endurance |
| Number of gears | 24 (2x12 setup) |
| Frameset type | G series - Gravel |
| Color | PIGR |
| Weight | Size 570 - Rival AXS: approx. 8.8kg (without pedals) |
| Warranty | 2 years standard (extendable to 3 years after registration with Colnago) |
| Crash replacement | Available through official Colnago registration |
| Wheels & tires | |
|---|---|
| Rim material | Carbon |
| Wheelset | Vision SC45 |
| Tires | Pirelli Cinturato Gravel H 700x40 |
| Bandwidth | 700x40 |
| Drivetrain | |
|---|---|
| Crankset type | 48/31T Size 450 - 480: 170 mm | Size 520 - 570: 172.5 mm |
| Crankset | Shimano GRX FC-RX820-2, 12-speed, Q-factor 151 mm |
| Chain | Shimano 12-speed (CN-M8100/HG710) |
| power meter | Optional (Not standard) |
| Switch and brake parts | |
|---|---|
| Switch group | Shimano GRX Di2 RX825 2x12-speed (Electronic) |
| Type switch group | Electronic |
| Shifters | Shimano GRX Di2 ST-RX825 (Wireless, gravel-specific ergonomics and anti-slip) |
| Front derailleur | Shimano GRX Di2 FD-RX825 (+2.5mm extra tire clearance-chainline) |
| Rear derailleur | Shimano GRX Di2 RD-RX825 Shadow+ (With active chain stabilizer) |
| Cockpit | |
|---|---|
| Send | CC.01 Wide integrated carbon cockpit Size 450: 400 mm wide Size 480-540: 420 mm wide Size 570: 440 mm wide |
| Push pen | Integrated into cockpit (CC.01 Wide) Size 450 - 480: 90 mm length Size 520 - 570: 100 mm length |
| integrated cockpit | Yes |
| Comfort | |
|---|---|
| Saddle | Akero Prologue |
| Seatpost | Colnago Carbon 27.2 mm |
| Included | |
|---|---|
| The pedals | No |
