• Black White-KOOTU BERSERKER GRX 400-SAVA Carbon Bike
  • Black gold-KOOTU BERSERKER GRX 400-SAVA Carbon Bike
  • Aero handlebar-KOOTU BERAERKER GRX 400-SAVA Carbon Bike
  • T800 carbon fiber fork-KOOTU BERSERKER GRX 400-SAVA Carbon Bike
  • Disc Brake System-KOOTU BERSERKER GRX 400-SAVA Carbon Bike
  • FC-RX400-KOOTU BERSERKER GRX 400-SAVA Carbon Bike
  • RD-GRX 400-KOOTU BERSERKER GRX 400-SAVA Carbon Bike
  • T800 carbon fiber frame-KOOTU BERSERKER GRX 400-SAVA Carbon Bike
  • KOOTU Laser logo-KOOTU BERSERKER GRX 400-SAVA Carbon Bike
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KOOTU BERSERKER GRX400 Gravel Bike

KOOTU BERSERKER GRX400 Gravel Bike

$1,799.00
$2,999.00 $1,799.00
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Tax included. Shipping calculated at checkout.
Color
Size
Style

Size Chart

Recommend size chart:
Size cm ft
50cm 160-175cm 5'2''-5'7''
52cm 175-180cm 5'7''-5'9''
54cm 180-190cm 5'9''-6'2''

For reference only, for specific size requirements, please check the frame size drawing for measurement before placing an order.

Shipping & Return

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Contact Us

Email: kootubike@outlook.com

  • 10% OFF
  • 14 Days Easy Return
  • Free Shipping

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.

  • Weight:about 9.6kg(21.21lbs)
  • Internal cable routing design
  • T800 Carbon Fiber Frame,fork,seatpost
  • Gravel specific frame
  • SHIMANO GRX 400 20 Speed 
  • Hydraulic disc brake
  • 700C*40C Continental Tires
  • KMC Chain
  • Free Pedals Include
View full details
grx400 carbon gravel bike -kootubike

Strat your journey with GRX400

KOOTU BERSERKER GRX400 Gravel Bike: a 20-speed gravel bike crafted for avid adventurers, blending top-tier components with unmatched durability to deliver a smooth, responsive ride on any terrain

T800 carbon fiber gravel frameset-kootu bike

T800 grade carbon fiber gravel frame

GRX400 gravel bike comes with carbon fiber frame ,fork,seatpost,provide lightweight and durable cycling

T800 carbon fiber material-kootu bike

High-end carbon fiber material

Experience unparalleled performance with our T800 grade carbon fiber gravel frame, expertly designed for maximum strength-to-weight ratio, exceptional versatility on diverse terrains, and a sleek, aerodynamic finish that promises both durability and style

Learn about
Internal cable routing design-kootubike

Internal cable routing design

Experience a sleeker, clutter-free aesthetic and enhanced aerodynamics with our internal cable routing design, ensuring optimal protection and seamless performance

700*40C continental tires-kootu bike

40C Continental Tires

Ride with confidence on 40C Continental Tires, guaranteeing superior grip, durability, and unmatched performance across diverse terrains

Shimano GRX Groupset

  • SHIMANO ST-RX400-kootu bike

    SHIMANO ST-RX400

    Experience the SHIMANO ST-RX400, merging gravel-inspired ergonomics and anti-slip brake levers with top-tier road system shifting, offering unparalleled mixed-terrain control in a single, seamless package

  • SHIMANO FD-RX400-KOOTU BIKE

    SHIMANO FD-RX400

    SHIMANO FD-RX400, a front derailleur revolution offering lighter shifting, ergonomic power curve, and cutting-edge link (toggle) construction for a natural feel,effortless adjustment precision, and versatile cable routing options.

  • SHIMANO RD-RX400

    SHIMANO RD-RX400

    SHIMANO RD-RX400, ensuring silent and consistent rear shifting on rugged terrains, complemented by an adjustable chain stabilizer, SHIMANO SHADOW RD+ technology, gravel-tuned clutch tension, switchable stabilizer

Technical Speicfications

Model KOOTU GRX-400 BERSERKER
Frame material T800 grade carbon fiber, KOOTU logo
Fork material T800 grade Carbon fiber, fork open 100mm
Handlebar Gravel 480*31.8mm, 40 degrees of flare
Seatpost T800 grade carbon fiber, 350mm
Thru axle Hollow type, front M12*100, rear M12*142
Wheels Aluminum, 700c,30mm depth.
Tires 40C Continental Terra ShieldWall (40-622)
Bottom bracket GINEYEA BB51
Chain KMC X10R
Crank SHIMANO FC-RX600, 46-30T(170MM)
Shifting levers SHIMANO ST-RX400
Front derailleur SHIMANO FD-RX400
Rear derailleur SHIMANO RD-RX400
Flywheels SHIMANO CS-HG500 (11-13-15-17-19-21-23-26-30-34T)
Disc rotor SHIMANO SM-RT70,140MM
Pedals SANYUN LP-658A
Saddle YBT, PU-leather

Size & Geometry

Recommend size chart:

Size cm ft
50cm 160-175cm 5'2''-5'7''
52cm 175-180cm 5'7''-5'9''
54cm 180-190cm 5'9''-6'2''

For reference only, for specific size requirements, please check the frame size drawing for measurement before placing an order.

Geomety:

KOOTU BERSERKER GRX-400 frame geometry

"WHY NOT ME"

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

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