Skip to product information
1 of 8

2023 KOOTU BERSERKER GRX-400 Carbon Gravel Bike 20 Spd

2023 KOOTU BERSERKER GRX-400 Carbon Gravel Bike 20 Spd

Regular price $1,999.00
Regular price $2,999.00 Sale price $1,999.00
Sale Sold out
Tax included. Shipping calculated at checkout.

Size Chart

KOOTU BERSERKER GRX-400 frame geometry

Shipping & Return

☑Free Shipping on bikes KNOW MORE

☑14-Day Easy Returns KNOW MORE

Contact Us


  • $100 OFF
  • 14 Days Easy Return
  • Free Shipping
View full details

2023 KOOTU BERSERKER GRX-400 Carbon Gravel Bike 20 Spd

Looking for a high-performance carbon gravel bike that can handle any terrain? Look no further than the KOOTU BERSERKER GRX-400. This top-of-the-line bike boasts a lightweight carbon frame, a powerful Shimano GRX-400 drivetrain, and rugged, versatile tires that are perfect for gravel, dirt, and pavement. Whether you're racing, touring, or exploring off-road, the KOOTU BERSERKER is the ultimate choice for serious cyclists.

Collapsible content

Bicycle components:

Frame Size: 47cm/51cm/54cm/56cm
Wheel Size: 700C
Color: Black white/Black gold


Frame Material: T800 carbon fiber
Fork: T800 carbon fiber, fork open 100mm
Handlebar: Aluminum alloy
Stem: Aluminum alloy
Saddle: YBT, PU-leather
Seat Post: T800 carbon fiber, 350mm

Derailleur / Brake System:

Shift lever: SHIMANO ST-RX400
Front Derailleur: SHIMANO FD-RX400
Rear Derailleur: SHIMANO RD-RX400
Flywheel: SHIMANO CS-HG500 (11-13-15-17-19-21-23-26-30-34T)
Crank: SHIMANO FC-RX600, 46-30T(170MM)

The standard brake setting is Left hand control front brake, Right hand control rear brake, if you want to change, please let us know.

Transmission Control System:

Chain: KMC X10R
Pedal: SANYUN LP-658A

Wheelset System:

Wheelset: Aluminum, 700c,30mm depth
Tires: Continental Terra ShieldWall (40-622)


Starting from the needs of riders, we are committed to providing riders with "professional carbon bikes with cost performance".

Find Your Bike
  • Brand Story

    From German craftsmanship, 18 years of industrial manufacturing experience...

  • Free Shipping

    Kootu's mission is to make high-end carbon fiber bikes affordable for everyone

  • UCI Approved

    All road wheelsets are UCI Approved

1 of 3