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449,90 discount
In-store stock
Koga Colmaro Extreme € 1.799,10
Frame Size:
S (1.71m - 1.76m)
Colour: Turtle green
Colour: Turtle green
Arnhem
Today: 10:00 - 17:00
In stock
Den Bosch
Today: 10:00 - 17:00
Out of stock
Rotterdam
Today: 10:00 - 17:00
Out of stock
Utrecht
Today: 10:00 - 17:00
Out of stock
Stock check Saturday 06 December at 00:48.
It is not possible to reserve in-store stock for your store visit.
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Pros & Cons
Pros & Cons
- The AI-optimised frame offers a perfect balance between comfort and performance, which is essential for long rides on rough terrain.
- Luggage attachment points make the bike perfect for adventurous bikepacking trips.
- With clearance for tyre widths up to 50 mm, the bike is suitable for diverse types of terrain.
- The suspension fork absorbs vibrations, allowing you to take on every kind of terrain!
- Dropper post compatibility gives you the option to further upgrade the bike.
- The aluminium frame is slightly heavier than a comparable carbon frame but is more durable.
- The bike may be fitted with a different seatpost than the one in the photos.
Specifications
Specifications
| Brand | Koga | |
| Frame Material | Aluminium | |
| Fork | Suntour, GVX32, 40mm | |
| Geometry | Gravel Endurance | |
| Tyre Width | 50 mm / 2.00 inch | |
| Maximum tyre width | 50 mm | |
| Number of Gears | 24 Gears | |
| Groupset Type | Mechanical | |
| Groupset | Shimano GRX 610 |
Take any challenge with the Koga Colmaro Extreme gravel bike! With a robust AI-optimised frame and top quality Shimano GRX components as well as a suspension fork, it is perfect for long cycling adventures and challenging terrain. The Colmaro Extreme offers maximum comfort and grip, and with clearance to accommodate wide tyres and with several luggage options, it is an ideal bike for explorers keen to brave the unknown.
An excellent choice for rugged gravel riding
While most gravel bikes have a rigid front fork, the Koga Colmaro Extreme distinguishes itself with a suspension fork with 40 mm travel. As this gives you more cushioning when riding off-road, this Koga gravel bike positions itself perfectly between a road bike and a mountain bike (which start with 100 mm suspension travel), and is perfectly suitable for both single tracks and gravel. Are you hesitating between buying an MTB and a gravel bike? Then this Koga Colmaro Extreme is the answer to all your questions!
An excellent choice for rugged gravel riding
While most gravel bikes have a rigid front fork, the Koga Colmaro Extreme distinguishes itself with a suspension fork with 40 mm travel. As this gives you more cushioning when riding off-road, this Koga gravel bike positions itself perfectly between a road bike and a mountain bike (which start with 100 mm suspension travel), and is perfectly suitable for both single tracks and gravel. Are you hesitating between buying an MTB and a gravel bike? Then this Koga Colmaro Extreme is the answer to all your questions!
Frame
The aluminium frame of the Koga Colmaro Extreme has been optimised using AI to ensure a perfect balance between strength, comfort and performance. The geometry is designed with a focus on stability and control on rough terrain, and the suspension fork absorbs vibrations for extra comfort. With clearance for tyre widths up to 50 mm, this gravel bike offers versatility and traction.
Groupset
With the Shimano GRX 2x12 groupset, the Colmaro Extreme gravel bike delivers precise gear shifting and a wide gear range. The hydraulic disc brakes perform superbly in all weather conditions, giving you confidence in your stopping power at all times. This makes the bike suitable not only for challenging gravel routes but also for long bikepacking trips and very light MTB routes.
Finish
The Schwalbe G-One Bite 50 mm tyres provide an excellent balance between grip and rolling resistance, ideal for all surfaces. The Colmaro Extreme gravel bike distinguishes itself with the Suntour GVX32 suspension fork with 40 mm travel, which gives you extra comfort on bumpy trails and, therefore, the courage to tackle more adventurous routes than you would on a regular gravel bike. For even more comfort, the seat tube is designed to have some flex; ideal for bumpy terrain. In addition, the frame features luggage attachment points, perfect for adventurous bikepacking trips, and is even dropper post ready.
The aluminium frame of the Koga Colmaro Extreme has been optimised using AI to ensure a perfect balance between strength, comfort and performance. The geometry is designed with a focus on stability and control on rough terrain, and the suspension fork absorbs vibrations for extra comfort. With clearance for tyre widths up to 50 mm, this gravel bike offers versatility and traction.
Groupset
With the Shimano GRX 2x12 groupset, the Colmaro Extreme gravel bike delivers precise gear shifting and a wide gear range. The hydraulic disc brakes perform superbly in all weather conditions, giving you confidence in your stopping power at all times. This makes the bike suitable not only for challenging gravel routes but also for long bikepacking trips and very light MTB routes.
Finish
The Schwalbe G-One Bite 50 mm tyres provide an excellent balance between grip and rolling resistance, ideal for all surfaces. The Colmaro Extreme gravel bike distinguishes itself with the Suntour GVX32 suspension fork with 40 mm travel, which gives you extra comfort on bumpy trails and, therefore, the courage to tackle more adventurous routes than you would on a regular gravel bike. For even more comfort, the seat tube is designed to have some flex; ideal for bumpy terrain. In addition, the frame features luggage attachment points, perfect for adventurous bikepacking trips, and is even dropper post ready.
Review
Review
5 / 5
Didn't see the point but a suspension fork is still a nice addition.
- Christ 3 May 2025
What a fine bike and great for taking on a rougher stretch. Sturdy enough to pull a trolley, attach a carrier, take along a tent and enjoy.
Pros & Cons
Finish
Solid
Suspension fork
Automatic translation
Frequently bought together
Frequently bought together
Recommended by the product specialist
Recommended by the product specialist
Related products
Related products
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| Koga Colmaro Extreme | Bulls Grinder 3 | Scott Speedster Gravel 10 | Cube Nuroad Race | |
| 1 review | ||||
| Frame Size | XS / S / M / L / XL / 1.63m - 1.70m | S / M / L / XL / 1.71m - 1.76m | XXS / XS / S / M / L / XL / XXL / 1.54m - 1.58m | XS / S / M / L / XL / XXL / 1.65m - 1.70m |
| Frame Material | Aluminium | Aluminium | Aluminium / Gravel, D.Butted 6061 Alloy SCOTT Gravel geometry, Replaceable UDH Derailleur Hanger Internal cable routing Syncros fender kit ready | Aluminium / 6061 T6 Superlite, Internal Cable Routing, Integrated Seat Post Clamp, Flat Mount Disc |
| Fork | Suntour, GVX32, 40mm | Carbon / No suspension | Gravel HMF Flatmount Disc 1 1/4 | Carbon |
| Geometry | Gravel Endurance | Gravel Endurance | Gravel Endurance | Gravel Endurance |
| Tyre Width | 50 mm / 2.00 inch | 45 mm | 45 mm | 45 mm |
| Maximum tyre width | 50 mm | 50 mm | ||
| 1.799,10 | 1.499,- | From 1.799,- | 1.499,- | |
| This product | View product | View product | View product |
All specifications
General
Brand
Koga
Frame Material
Aluminium
Geometry
Gravel Endurance
Number of Gears
24 Gears
Frame Type
Unisex
Colour
Turtle green
Weight
12.4 kg
Manufacturer's warranty
Lifetime
Wheels & Tyres
Tyre Width
50 mm / 2.00 inch
Maximum tyre width
50 mm
Wheelset
DT Swiss
Rim material
Aluminium
Tyres
Schwalbe G-One Bite
Drivetrain
Crankset
Shimano GRX FC-RX610
Type of Crankset
Cross / Gravel Double 46-30T
Chain
Shimano
Cassette
Shimano HG710 11-36T, 12 speed
Shift and brake parts
Groupset Type
Mechanical
Groupset
Shimano GRX 610
Brake System
Hydraulic Disc Brakes
Shifters
Shimano RX610
Front Derailleur
Shimano RX600 dubbel
Rear Derailleur
Shimano GRX RX820 12 speed
Cockpit
Handlebar
Koga
Stem
Koga
Comfort
Fork
Suntour, GVX32, 40mm
Saddle
Selle San Marco
Included in the delivery
Pedals included
No