Model | KOOTU GRX-400 BERSERKER |
Frame material | T800 grade carbon fiber, KOOTU logo |
Fork material | T800 grade Carbon fiber, fork open 100mm |
Handlebar | Aluminum,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 |
Recommend size chart:
Size | cm | ft |
47cm | 145-165cm | 4'9''-5'5" |
51cm | 160-175cm | 5'3''-5'9'' |
54cm | 171-189cm | 5'7''-6'2'' |
For reference only, for specific size requirements, please check the frame size drawing for measurement before placing an order.
Geomety:
Shipping to
|
Average Delivery Time
|
Bikes Shipping Cost
|
---|---|---|
United States
|
6-12 business days
|
Free
|
Australia
|
7-15 business days
|
Free
|
Asia
|
6-12 business days
|
Free
|
Middle East
|
10-15 business days
|
Free
|
Canada
|
10-15 business days
|
Free
|
Mexico
|
10-15 business days
|
Free
|
Israel
|
6-10 business days
|
$200
|
India
|
6-12 business days
|
$150
|
Brazil
|
20-35 business days
|
$380
|
Europe
|
12-18 business days
|
Free
|
Shipping Information
- Once your order has been placed, we'll send you a confirmation email with your order number.
- When your order has been shipped, we'll send you an email with a tracking number and a link that you can track it online.
- No Tariff will be required to our customers on the Standard shipping methods.
Processing Time
After we received your order. It usually takes 2-3 business days for production, assembly, debug, packing, and sent out (Some new models may take 10-13 working days). Because we want to make sure the customer gets the bike 90% pre-assembled.
14-days Free replacement: contact customer service for missing and critically-damaged parts or other quality-related issues. Our customer service team will help to arrange the replacement.
Our policy lasts 14 days. If 14 days have gone by since delivery, unfortunately we can’t offer you a refund or exchange.
Revolutionize Your Ride with Our Gravel Bike Frames
Crafted exclusively for gravel enthusiasts, our bespoke gravel bike frames blend cutting-edge design with unrivaled durability, ensuring a thrilling journey through challenging terrains.
Unleash the Trail with Precision
Gravel bikes featuring a state-of-the-art carbon fiber frame. Engineered for performance and durability, these bikes redefine the limits of trail riding. The lightweight yet robust carbon construction ensures agile handling and maximum power transfer, allowing you to conquer any terrain with confidence
Internal cable routing design
Experience seamless aesthetics and enhanced aerodynamics with our internal cable routing design, elevating your ride to new levels of sleek sophistication and optimal performance
Reinforced bicycle frame
Unleash the power of resilience with our reinforced frame, meticulously engineered to conquer the toughest trails, providing riders with unmatched durability and unwavering stability for an adventure that knows no limits
Elevate Your Ride: Unveiling the Future of Cycling with Carbon Fiber Mastery
Showcasing the epitome of strength and lightweight precision, our carbon fiber components unveil a symphony of performance, seamlessly merging cutting-edge technology and sleek design for an unparalleled cycling experience
Carbon Fiber frame & Seatpost
Our carbon fiber frames redefine endurance and agility, delivering an unparalleled fusion of lightweight performance, vibration damping, and robust strength for the ultimate off-road cycling experience
Carbon fiber fork
Experience the pinnacle of gravel riding with our carbon fiber fork – where precision engineering meets lightweight resilience, offering unrivaled control, shock absorption, and responsiveness for a smooth and thrilling journey through any challenging terrain
Gravel Dominance with GRX400 Precision
SHIMANO GRX is Shimano's first kit designed specifically for gravel surfaces. Whether beginners or experienced riders, they can experience its smooth shifting, reliable braking, and excellent gravel riding comfort.
SHIMANO GRX400
SHIMANO ST-RX400
The textured GRX handlebar cover ensures stability on bumpy descents, while the anti-slip coated brake lever guarantees Shimano's excellent braking performance in wet or muddy conditions.
SHIMANO FD-RX400
The GRX front derailleur offers an extra 2.5mm clearance for enhanced mud handling, perfect with wider tires. Experience seamless precision and reliable performance, ensuring smooth gear transitions for the ultimate ride on any terrain
shimano rd-rx400
Designed for high-intensity riding and given this rear derailleur a narrow profile. It can effectively reduce chain vibration, improve chain retention, and effectively reduce the risk of scratches.
SHIMANO FC-RX600
where precision meets power, delivering optimal drivetrain efficiency and reliability for cyclists seeking top-tier performance on any terrain
SHIMANO BR-RX400
Engineered for precision and reliability, these disc brakes deliver exceptional stopping power, ensuring control and safety in diverse riding conditions
Hollow saddle
Meticulously designed for an ergonomic fit and optimal support, ensuring a pleasurable and pain-free ride
40C gravel tires
Conquer diverse landscapes with confidence using our 40C tires – the perfect blend of durability and traction, providing a smooth and stable ride on both challenging trails and city streets