Olive Green

Rear: Shimano, GRX RX610, Hydraulic disc brake, Front: Shimano, GRX RX610, Hydraulic disc brake

Conquer rough terrain with the KOGA Colmaro Extreme gravel bike. The stylish aluminum frame offers space for tires up to 50 mm wide and is optimized by AI for the best driving experience. We have chosen the Shimano GRX groupset, a suspension fork and enough mounting points for luggage, so that this is your perfect machine for going on bikepacking adventures. The Colmaro Extreme is ready to brave the unknown and allow you to cover long distances. With its robust frame construction and components, it is ready to go, time and time again.

Koga Colmaro Extreme

An aluminum frame race bike with modest components and shimano grx 600 hydraulic disc brakes.

Weight	27.3 lbs
Frame	Aluminum
Fork	Carbon
Wheels	29″ Aluminum
Drivetrain	2 × 12
Groupset	Shimano
Brakes	Shimano GRX 600 Hydraulic Disc

Fork	Suntour
Stem	KOGA fully integrated cable guidance
Saddle	Selle San Marco

Crank	Shimano
Cassette	Shimano, CS HG710 11-36T 12 speed
Brakes	Rear: Shimano, GRX RX610, Hydraulic disc brake, Front: Shimano, GRX RX610, Hydraulic disc brake Type: Shimano GRX 600 Hydraulic Disc

Rims	DT Swiss, G-1800 Spline
Tires	Schwalbe, G-One Bite 50-622

2025 KogaColmaro Extreme

2025 Koga
Colmaro Extreme