Gravel bikes › Koga › Colmaro Extreme
In our comparison, not currently a pick
Koga Colmaro Extreme 2025
Aluminium · Shimano GRX 12-speed · hydraulic disc · 12.35 kg
Buy at BikeExchangeWhere it stands
In stock in 52 cm · price read 07:17 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 · €2,000 – €2,500
- Cube Nuroad C:62 Pro 2025 at Fahrrad XXL€2,299.99EUR 199 cheaper, same GRX drivetrain, entry-level carbon rather than basic aluminium wheels, carbon rather than aluminium frame, 8.7 kg vs 12.35 kg.
What you get
- Frame
- Aluminium
- Drivetrain
- Shimano GRX, 12-speed
- Wheels
- Aluminium, basic aluminium Dt Swiss G-1800 Spline
- Brakes
- Hydraulic disc
- Weight
- 12.35 kg as published
- Power meter
- No
- Tyres
- G-One Bite 50-622
The compromises
- Basic aluminium wheels.
- Aluminium frame, at a price where carbon is common.
- 12.35 kg, on the heavy side for a gravel bike; the ranking's reference weight is 10.4 kg.
Your size
What BikeExchange lists, and what it has today
Where to buy
BikeExchange is the only one of the 22 shops we check that sells this bike.
Price so far
€2,499 at every one of our 4 checks since 16 Sept.
Every check
| Checked | Price | Availability |
|---|---|---|
| 16/09/2026, 19:32:44 | €2,499 | limited |
| 17/09/2026, 07:15:24 | €2,499 | limited |
| 18/09/2026, 07:16:25 | €2,499 | limited |
| 19/09/2026, 07:17:10 | €2,499 | limited |
How sure we are
We read 7 of 7 key facts off BikeExchange's page. Anything we could not read is scored below the cheapest option, so a gap never flatters a bike.
Read 07:17 today. The full audit trail shows the source text behind every fact. Report a mistake
Full specification as published by BikeExchange
| Gewicht* | 12.35 kg |
|---|---|
| Art der Bremse | Scheibenbremse |
| Bremse | Shimano GRX RX610 |
| Reifen | G-One Bite 50-622 |
| Laufräder | Dt Swiss G-1800 Spline |
| Vorbau | KOGA fully integrated cable guidance |
| Kassette | Shimano CS HG710 11-36T 12-speed |
| Schaltung | Shimano GRX RX820 12-speed |
| Kurbelgarnitur | Shimano GRX RX610 46-30T 12-speed |
| Anzahl Gänge | 24 |
| Sattel | Selle San Marco |
| Jahr | 2025 |
The shop's feature list
- Aluminium
- Shimano GRX
- Beschreibung