2023 SAVA HULK 4.0 Carbon Gravel Bike 20 Speed - SAVA Carbon Bike
2023 SAVA HULK 4.0 Carbon Gravel Bike 20 Speed - SAVA Carbon Bike
2023 SAVA HULK 4.0 Carbon Gravel Bike 20 Speed - SAVA Carbon Bike
2023 SAVA HULK 4.0 Carbon Gravel Bike 20 Speed - SAVA Carbon Bike
2023 SAVA HULK 4.0 Carbon Gravel Bike 20 Speed - SAVA Carbon Bike
2023 SAVA HULK 4.0 Carbon Gravel Bike 20 Speed - SAVA Carbon Bike
2023 SAVA HULK 4.0 Carbon Gravel Bike 20 Speed - SAVA Carbon Bike
2023 SAVA HULK 4.0 Carbon Gravel Bike 20 Speed - SAVA Carbon Bike
HULK 4.0 GRX Bike

SAVA HULK 4.0 Carbon Gravel Bike 20 Speed

Regular price $2,199.00 Sale price$1,859.00 Save $340.00
Tax included. Shipping calculated at checkout.

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SAVA R11 Gravel Bike Frame Geometry
  • Low stock - 10 items left
  • Inventory on the way

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Model HULK4.0 RX400 20S
Weight About 10.2kg(22.49lbs) Varies by size
Frame size 47cm,51cm,54cm,56cm
Color Black,White



bicycle frame Frame R11 frame ,T800 carbon fiber 
bicycle fork Fork  R11 fork,T800 carbon fiber
bicycle seatpost Seat post 350mm ,T800 carbon fiber
bicycle headset Headset JY,Bearing


rear derailleur Rear Derailleur SHIMANO RD-RX400
front derailleur Front Derailleur SHIMANO FD-RX400
crankset Crankset SHIMANO FC-RX600,46-30T(170MM) BB:GINEYEA BB51
cassette Cassette SHIMANO CS-HG500 (11-13-15-17-19-21-23-26-30-34T)
shift lever Shifters SHIMANO ST-RX400
bicycle brake caliper Brakes SHIMANO BR-RX400,Hydraulic disc brake
chain Chain KMC X10R


bicycle wheel Wheels Aluminum,700*1.5,14G*28H F/V 30 Depth
bicycle rotors Rotors SHIMANO SM-RT70,140MM
bicycle tires Tires   700 x 40C Continental tires
bicycle hubs Hubs


bicycle handlebar Handlebar Aluminum Dropbar,φ22.2*31.8*480 
bicycle stem Stem Aluminum,31.8*28.6*100
bicycle saddle Saddle YBT,PU-leather
bicycle pedal Pedal Sanyun;,9/16"

The standard brake is set to control the front brake with the left hand and the rear brake with the right hand, please let us know if you want to change it.

SAVA R11 Gravel Bike Frame Geometry

1.Bikes ship from :

a. Shipping from the US warehouse can only be sent to the US (Except Hawaii, and Puerto Rico).
b. Shipping from European warehouses can only be sent to European countries
c. Shipped from Chinese factory, can be shipped to the world

Some bikes ship from China :

Notice:After we received your order. It usually takes 6-8 working days for production, assembly, debug, packing, and sent out 

USA : About 12-15 working days

Shipping Way:By SF/UPS/DHL/FEDEX/TNT,EMS air express

Tax: Free

 CA:About 12-15 working days

Shipping Way:By SF/UPS/DHL/FEDEX/TNT,EMS air express

Tax :About 90-120 CAD,buyer pay

 Mexico:Free Shipping .About 12-15 working days,

Shipping Way:By DHL/TNT/FEDEX/UPS air express

Tax:buyer pay

 EU Countries: .About 12-18 working days,

Shipping Way:By /DPD/UPS/DHL air express,

Tax :Free

 AU:About 15-25 working days,

Shipping Way:By EMS/Zoom2 Dedicated logisitcs 

Tax :Free

 UK:.About 12-18 working days,

Shipping Way:By DPD/Royal Mail air express

Tax :Buyer pay

 South America: About 15-20 working days,

Shipping Way:By DHL/UPS/FedEx

Tax:Buyer pay

 Asia:Free Shipping.About 8-15 working dyas,

Shipping Way:By SF/EMS,Dedicated logistitcs,

Tax  :Free

 Africa: About 20-35 working days,

Shipping Way:By Dedicated logistics,

Tax :buyer pay


Some bikes ship from US warehouse:

Available Countries:USA

Shipping fee:Free

Shipping Time:About 3-5 working days

Tax :Free


Some bikes ship from EU warehouse:

Available Countries:Austria,Belgium,Czech Republic,Poland,Portugal,Romania,Serbia,Denmark,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Finland,France,Greece,Hungary,Italy,Norway,Netherl

Shipping fee: Free 

Shipping Way:DPD About 3-7 workding days


Free Shipping

2-Year Frame Warranty

14 Days Free Return

Q: What is a carbon fiber bike?
A: A carbon fiber bike is a type of bicycle frame made out of carbon fiber composite material. Carbon fiber is a lightweight and strong material that is widely used in aerospace, automotive, and sporting goods industries.

Q:How to choose my correct size?
A:We have the corresponding recommended size, but it is for reference only. A small number of people have different arm lengths and leg lengths. For details, please refer to our frame geometry to choose your correct size

Q: Why are carbon fiber bikes popular?
A: Carbon fiber bikes are popular because they are lightweight, stiff, and durable. They also offer a smooth ride and are customizable to fit the needs of the rider.

Q: Can I customize my carbon fiber bike?

A:Sorry we can't do private customization, if you need to customize the bike, you need to order the bike in bulk

Q: Are carbon fiber bikes durable?
A: Carbon fiber bikes are generally very durable, but they can be prone to damage from impacts or crashes. It is important to take proper care of your carbon fiber bike, such as avoiding excessive torque on bolts and inspecting the frame regularly for signs of damage.

Q:Will my bike arrive assembled?

A:Yes, 95% of all our bicycles are pre-assembled. Customers only need to assemble the front wheel, handlebar, seat tube, and pedals.

Q: How do I maintain a carbon fiber bike?
A: To maintain your carbon fiber bike, clean it regularly with a soft cloth and mild detergent. Avoid using harsh chemicals or abrasive materials that can damage the frame. It is also important to store your bike in a cool, dry place and avoid exposing it to extreme temperatures or direct sunlight.

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SAVA HULK carbon gravel road bike with Shimano GRX 400 is a high-performance bike designed for off-road riding and gravel adventures.made of T800 carbon fiber frame,which is lightweight,Stiffness,durable .Equipped with Shimano’s GRX 400 groupset, it provides reliable and smooth shifting, making it ideal for tackling challenging terrain. The bike’s rugged frame and durable components are built to withstand the rigors of gravel riding, while the wide tires provide excellent traction and stability on loose surfaces. Whether you’re looking to explore new trails or take on challenging off-road terrain, a gravel bike with Shimano GRX 400 is a top-of-the-line option that delivers a comfortable and efficient ride, even on the roughest terrain.

  • T800 carbon fiber frame,fork,seatpost
  • Lightweight gravel bike weighs 10.2kg(22.49lbs)
  • Aerodynamic Frame
  • Internal cable routing design
  • Shimano GRX-400 groupset
  • 700*40C Continental Tires
  • KMC Chain
  • Hollow comfortable saddle

SAVA frame’s unique shape and handmade design

Experience cycling excellence with SAVA's meticulously crafted bicycles featuring individually modeled frames, showcasing the essence of artistry

Airflow path geometry design

Airflow path geometry design

Change the airflow path of the bicycle, improve stability, safety, controllability, and improve the experience of outdoor adventures

40C gravel tires

Compatible with wide tires up to 45C, it has better low-level grip and can easily cope with any complex road conditions.

The application of Carbon Fibre

Carbon fiber, a novel material, is among the strongest and lightest composites, highly resistant to corrosion and rust, with robust carbon bonds within its fibers, making it the top choice for rockets, aerospace, luxury sports cars, and high-end bicycles

Carbon fiber struction

Carbon fiber structure helps make outdoor adventures lighter, more stable and faster

carbon fiber frame ,seatpost,fork-sava hulk4.0 carbon fiber frame ,seatpost,fork-sava hulk4.0
T800 grade carbon fiber frame & Seatpost

T800 grade carbon fiber frame & Seatpost

The carbon fiber frame is made of high-end carbon fiber materials, making the entire bicycle light in weight and strong and durable. The carbon fiber seat post can effectively alleviate the vibration caused by riding, making gravel bicycles more stable and safer to ride on complex roads.

T800 grade carbon fiber fork

T800 grade carbon fiber fork

The design of the carbon fiber front fork cone comes from the optimization of aerodynamics. The carbon fiber is strong and durable, has strong shock absorption effect, and provides a comfortable outdoor riding experience.

Internal cable routing design

Internal cable routing design

Elevate your cycling experience with Full Integrated Cable Routing Design, ensuring a sleek and aerodynamic profile for optimal performance and a clean, sophisticated aesthetic

Sloping design gravel handlebars

The 40-degree outward tilt allows the palm to hold the lower handle in a more natural position, which can reduce the burden on the wrist during long-term riding. If your hands are not sore, then you can control it naturally. At the same time, it can give your body stronger support when passing obstacles.

GRX for gravel bike

The industry’s first gravel-specific groupset, for smooth shifting, reliable braking, and exceptional gravel comfort.

shimano grx400 groupset shimano grx400 groupset


Offers light and responsive shifting for mixed terrain riding. Ergonomic design improves riding comfort, and textured anti-slip brake levers enhance control over rough terrain.



Featuring a new linkage structure and integrated cable tensioner for lighter front shifting operation, it features a 2.5mm outer chainline design for wider tire clearance for mixed terrain riding.



Features an integrated chain stabilizer mechanism for a quieter experience on mixed terrain as well as shifting security and precision.



A wide range of cassette and sprocket ratios provide optimal gearing for a variety of terrains and riding styles, and allow for tighter shifting steps to maintain your pedaling rhythm. Meet the specific needs of gravel riding



Excellent cooling technology, not afraid of rough roads, providing the best control for mixed terrain riding



Sturdy flywheel for 10-speed road drivetrains. Highly compatible, its nickel-coated material provides longer durability.

Reliable hydraulic brake

Braking quickly and safely in any complex road conditions and bad weather

20 years of carbon fiber bicycle manufacturing experience

Sava introduces advanced original German technology to develop into a comprehensive modern industry integrating R&D, production, sales and service. Adhering to the craftsmanship spirit of "persistence, extreme, excellence and refinement", the production of vehicles are exported to the United States, Germany, Russia, Canada, Australia, the United Kingdom, and other 57 countries, with an annual production capacity of more than 1 million complete bikes. Committed to building a world-class bicycle brand.

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