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April 16, 2024of Caspar Gebel

Gravel BikesTests

Test Koga Colmaro Extreme: Travel gravel bike with an extremely beautiful aluminum frame

Koga Colmaro Extreme review: This touring gravel bike from the Dutch manufacturer impresses with its classic look, featuring seamless tube junctions and surprising 650B wheels. Components and handling are top-notch, the price is excellent – ​​and the bike can even be ridden with sporty flair. Koga, the long-established provider of touring and racing bikes, is known for… read more

April 16, 2024of Caspar Gebel
16 December 2022of Caspar Gebel

Gravel BikesTests

Testing the Koga Colmaro Allroad: Aluminum classic for easy terrain

The Koga Colmaro Allroad remains true to its position between a road bike and a gravel bike. Many details on the beautiful, classically styled aluminum frame are new; however, a shorter stem is needed for all-around good handling. Given the very attractive price for 2024, this should certainly be possible! The Dutch premium manufacturer is also a specialist… read more

16 December 2022of Caspar Gebel
Koga Colmaro
September 28, 2018of Caspar Gebel

Road bikesTests

racing bikes: Test: Koga Colmaro Allroad – Enough of everything

Koga Colmaro Allroad review: A road disc frameset and gravel components combine to create an unusual sports bike that performs equally well on asphalt and gravel paths, without forcing the rider to make a complex fundamental decision through excessive specialization. Digital camera, smartphone, car – we are surrounded by technical devices whose potential we only partially realize… read more

September 28, 2018of Caspar Gebel
April 26, 2018of Caspar Gebel

Product news

Product news: Koga: Premium for every tour

Product News: How do you manage to be traditional without seeming old-fashioned, cutting-edge yet still distinctive? In the bicycle industry, Koga from the Netherlands shows how it's done – a brief profile of the attractively priced premium brand. Okay, Koga never actually produced true "Dutch bikes." The prerequisites were certainly there: company founder Andries Gaastra was… read more

April 26, 2018of Caspar Gebel
koga e-world traveler p
22 December 2017of Joseph Kucher

Product news

Product news: Koga E-WorldTraveller-S: e-bike from the configurator

Koga Signature is an online configurator that allows you to design your own custom bike. Previously, the bikes were non-electric, but now you can also configure the Koga E-WorldTraveller-S, an e-touring bike. The configurator lets you choose between a derailleur gear system and the new Rohloff hub gear system, among other options… read more

22 December 2017of Joseph Kucher
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Raffle: Win one of 15 AXA Bike folding locks!

Giant Anthem & Liv Pique: Top-class XC performance

New SE top models with CADEX Max XC carbon wheels: Giant Anthem & Liv Pique: Top-class XC performance

The handlebar-stem unit is extremely shaped to bring the hands into a position comparable to that on a 29-inch bike.

VAN RYSEL RCR-XC: The French company's first XC bike – and it's a 32-inch model!

Corratec Allroad A EQ

Corratec Allroad A EQ: Between adventure and commute

e*thirteen Plus Alu Flat MTB Pedals: Large bearing for increased stiffness

The Bulls gravel bike program: Versatile setup with and without a motor

Oak Components HT4 Lever in the test: CNC upgrade for CNC brake

Power measurement on racing bikes: Technical Guide: 4iiii Precision 3+ Power Meter in Practical Testing

Giant Trance Advanced E+: Trail e-bike under 22 kg thanks to new motor

E-bike tuning

Why drivers risk their livelihoods in an emergency: E-bike tuning is more than just illegal

Zéfal Shield G50 Gravel mudguards in review: Easy assembly, reliable protection

New Buster and Nyte models: SIGMA expands Smart Light Series

Aventon Naro

Great price, low weight, modern features: Aventon's first city e-bike is a declaration of war.

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