Gravel bikes › Colnago › G4-X-GRX
In our comparison, not currently a pick
Colnago G4-X-GRX RX822 1x Fulcrum Lite ER MTYL
€3,299at Bike-Discountshop's RRP €4,330
Carbon · Shimano GRX 12-speed · hydraulic disc
Buy at Bike-DiscountWhere it stands
In stock in 45, 48 and 52 cm · price read 06:51 today · unchanged since the last check
Where it stands
Priced close to what German shops charge for this level of equipment, so it does not clear the margin we require before naming a pick.
Our pick · €3,000 – €3,500
- Cube NUROAD C:62 Race 2027 at BIKE24€3,499EUR 200 more expensive, GRX Di2 instead of GRX, good carbon rather than basic aluminium wheels, includes a power meter.
What you get
- Frame
- Carbon Monocoque carbon. Maximum tyre size: 42 mm (nominal width) 142 mm (rear)
- Drivetrain
- Shimano GRX, 12-speed
- Wheels
- Aluminium, basic aluminium Fulcrum Rapid Red 900 DB | 2-Way Fit Ready (for tyre and tubeless ready) Aluminum, Rim height: 24 mm front / 24 mm rear Internal rim width:
- Brakes
- Hydraulic disc
- Weight
- not stated by the shop: not scored
- Power meter
- No
- Tyres
- Pirelli Cinturato Gravel 40 mm TLR
The compromises
- Mechanical shifting, at a price where electronic groupsets are common.
- Basic aluminium wheels.
Your size
What Bike-Discount lists, and what it has today
45 cmlast one
48 cm3 in stock
52 cm3 in stock
Where to buy
Bike-Discount is the only one of the 22 shops we check that sells this bike.
Price so far
€3,299 at every one of our 21 checks since 4 Sept.
- Last one in 45 cm.
- Bike-Discount states an RRP of €4,330 (24% off). That is the shop's claim; we rank on today's price, never on the discount.
Every check
| Checked | Price | Availability |
|---|---|---|
| 04/09/2026, 21:07:06 | €3,299 | in stock |
| 05/09/2026, 06:35:56 | €3,299 | in stock |
| 05/09/2026, 13:03:49 | €3,299 | in stock |
| 06/09/2026, 06:39:09 | €3,299 | in stock |
| 06/09/2026, 20:45:40 | €3,299 | in stock |
| 07/09/2026, 06:50:03 | €3,299 | in stock |
| 08/09/2026, 06:48:37 | €3,299 | in stock |
| 09/09/2026, 06:48:42 | €3,299 | in stock |
| 09/09/2026, 10:53:45 | €3,299 | in stock |
| 10/09/2026, 06:41:22 | €3,299 | in stock |
| 11/09/2026, 06:40:25 | €3,299 | in stock |
| 12/09/2026, 06:49:41 | €3,299 | in stock |
| 13/09/2026, 06:42:00 | €3,299 | in stock |
| 14/09/2026, 06:41:12 | €3,299 | in stock |
| 15/09/2026, 06:43:19 | €3,299 | in stock |
| 16/09/2026, 06:43:30 | €3,299 | in stock |
| 16/09/2026, 11:36:51 | €3,299 | in stock |
| 16/09/2026, 18:18:38 | €3,299 | in stock |
| 17/09/2026, 06:50:37 | €3,299 | in stock |
| 18/09/2026, 06:50:49 | €3,299 | in stock |
| 19/09/2026, 06:51:22 | €3,299 | in stock |
How sure we are
We read 6 of 7 key facts off Bike-Discount's page; not stated: weight. Anything we could not read is scored below the cheapest option, so a gap never flatters a bike.
Read 06:51 today. The full audit trail shows the source text behind every fact. Report a mistake
Full specification as published by Bike-Discount
| Frame | Monocoque carbon. Maximum tyre size: 42 mm (nominal width) 142 mm (rear) |
|---|---|
| Frame material | Monocoque carbon |
| Speeds | 1x12 |
| Colour | MTYL yellow |
| Fork | Carbon fork for disc brakes, Fork profile: Round circumference section |
| Brakes | Shimano GRX RX820 hydraulic disc brakes |
| Brake discs | Shimano RT-MT800-S Rotor size: 160 mm front / 160 mm rear |
| Brake levers | Shimano ST-RX820 |
| Headset | ACROS SS 42x52x7 mm / 40x52x7 mm |
| Stem | DEDA Gravel Sizes 45–48: 90 mm length Sizes 52–57: 100 mm length |
| Handlebar | Deda Gravel 100 Size 46s: 400 mm width Sizes 49s–55s: 420 mm width Size 58s: 440 mm width |
| Handlebar tape | Colnago Grip Black |
| Saddle | "Prologo" Kappa BK or "Selle Italia" Model X BB FEC |
| Seatpost | Carbon seatpost with D-Shape profile and 0.15 offset |
| Crankset | Shimano GRX 1x, 42T Crank arm length: Frame sizes 45–48: 170 mm Frame sizes 52–57: 172.5 mm |
| Bottom bracket | ACROS T47 |
| Rear derailleur | Shimano GRX RD-RX822-SGS 12-speed |
| Gear shifters | Shimano RX-820 12-speed |
| Cassette | Shimano GRX 1x: 10-51 12v |
| Chain | Shimano GRX CN-M8100 12-speed |
| Tyres | Pirelli Cinturato Gravel 40 mm TLR |
| Wheelset | Fulcrum Rapid Red 900 DB | 2-Way Fit Ready (for tyre and tubeless ready) Aluminum, Rim height: 24 mm front / 24 mm rear Internal rim width: 23 mm |
| Hubs | Aluminium, Sealed Cartridge Bearings |
| Front hub | Aluminium hubs with sealed cartridge bearings |
| Rear hub | Aluminium hubs with sealed cartridge bearings |
| Spokes | Stainless steel |
| Rims | Fulcrum Lite ER Compatibility: Clincher & Tubeless Ready |
| Other details | Bottle cage: Colnago Matt Black (1x) |