SAVA Gelaro S4-GRX400 Carbon Gravel Bike
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Engineered for performance and versatility, the SAVA Gelaro S4-GRX400 combines a lightweight carbon frame with premium Shimano GRX 10-speed components for unmatched control on any terrain. Its 700C wheelset with 40C tires delivers stability on gravel, while the ergonomic flared handlebar and endurance geometry ensure comfort during long adventures. The full GRX groupset, hydraulic disc brakes, and internal cable routing make this the perfect choice for gravel racing, bikepacking, or all-road exploration. Built to conquer rough roads with speed and confidence.
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Lightweight carbon frame & fork
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Shimano GRX 2*10 speed drivetrain
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700C wheels with 40C gravel tires
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Hydraulic disc brakes (160mm/140mm)
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Internal cable routing for clean aesthetics
- Versatile mounting system for gravel adventures
SPECIFICATIONS:
Model | SAVA Gelaro S4 R21-GRX400-20S |
Weight | About 10.2kg(22.5lbs) |
Frame size | 47cm,49cm,51cm,53cm,55cm,58cm |
Color | Mist Grey,Desert Gold,Elegant White,Classic Black |
FRAMESET
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Frame | R21 frame T800 Carbon Fiber |
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Fork | R21 fork,T800 carbon fiber |
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Seat post | Aluminum,31.6*350mm |
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Headset | JY,Bearing |
DRIVETRAIN
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Rear Derailleur | SHIMANO RD-RX400, GRX 10-SPEED |
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Front Derailleur | SHIMANO FD-RX400 |
Crankset | SHIMANO FC-RX600, FOR REAR 10-SPEED,2, 170MM, 46-30W/O | |
Cassette | SHIMANO CS-R6010 /HR10-34T,11-34T | |
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Shifters | SHIMANO ST-RX400 |
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Brakes | SHIMANO BR-RX400 |
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Chain | KMCX10R,X10/NP/BKS/112L/RO/CL559R |
WHEELSETS
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Wheels | Aluminum,700C*24H 19*24.5*36MM |
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Rotors | PRO PN28, 160mm, 6-Bolt Lock,140mm, 6-Bolt Lock |
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Tires | 700*40C 1870N DK27 |
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Hubs |
DH969TF, M1214G/24H100mm ,M1214G/24H142mm,Thru-Axis |
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Handlebar | Aluminum Flared Drop Bar,400*480*85 |
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Saddle | YBT-K785,pu |
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Pedal | Cast Aluminum Body, 9/16” Boron Axle, DU+Bearing(free include) |
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.

Parameter | 470(XS) | 490(S) | 510(M) | 535(L) | 550(XL) | 580(XXL) |
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Rider Height(cm) |
Below 166cm
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166-174cm
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175-180cm |
180-186cm
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186-192cm
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Rider Height(ft/in) |
Below5‘5’‘
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5‘5’‘-5’8‘’
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5‘8’‘-5’10‘’ |
5‘10’‘-6‘1’‘
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6‘1’‘-6’3‘’
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A Seat Tube (mm) | 470 | 480 | 510 | 550 | 580 | 580 |
B Top Tube (mm) | 512.4 | 530.1 | 557.6 | 576.2 | 591.9 | 604.8 |
C BB Drop(mm) | 75 | 75 | 75 | 75 | 75 | 75 |
D Chainstay (mm) | 430 | 430 | 430 | 430 | 430 | 430 |
E Seat Angle (°) | 74° | 74° | 73° | 73° | 73° | 73° |
F Head Angle (°) | 70.3° | 70.3° | 70.3° | 70.3° | 70.3° | 70.3° |
G Front Center(mm) | 582.2 | 601.1 | 618.1 | 638.1 | 655.8 | 664.4 |
H HeadTube (mm) | 110 | 140 | 160 | 190 | 210 | 220 |
I Fork Offset (mm) | 50 | 50 | 50 | 50 | 50 | 50 |
J Reach (mm) | 360 | 369 | 380 | 390 | 400 | 410 |
K Stack (mm) | 533.6 | 561.8 | 580.6 | 608.9 | 627.7 | 637.1 |
L Fork Length(mm) | 394 | 394 | 394 | 394 | 394 | 394 |
M Wheelbase (mm) | 1000.7 | 1019.8 | 1037.6 | 1057.7 | 1074.4 | 1087.8 |
N Standover(mm) |
769.8
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792.29
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810.6
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837.97
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851.94
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869.8
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Bikes ship from
Locations:
- Shipping from the US warehouse can only be sent to the US (Except Hawaii, and Puerto Rico).
- Shipped from Chinese factory, can be shipped to the world
Shipping Time & Shipping Way & Shipping fee
Bikes Shipped from Chinese Factory
Notice: After we received your order. It usually takes 3- 5 working days for production, assembly, debug, packing, and sent out (Some new models may take 5- 8 working days)
Country | Shipping Fee | Shipping Time | Shipping Method | Tax Liability |
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USA | Free | About 6 - 10 working days | SF/UPS/DHL/FEDEX air express | Prices include tax |
Canada (CA) | Free | About 6 - 15 working days | SF/UPS/DHL/FEDEX/TNT,EMS air express | Customer pay |
Mexico | Free | About 10 - 15 working days | DHL/TNT/FEDEX/UPS air express | Free |
EU Countries | Free | About 12 - 18 working days | DPD/UPS/DHL air express | Free |
Australia (AU) | Free | About 15 - 25 working days | EMS/Zoom2 Dedicated logistics | Free |
UK | Free | About 12 - 18 working days | DPD/Royal Mail air express | Free |
South America | $300 | About 20 - 30 working days | DHL/UPS/FedEx | Buyer pays |
Asia | Free | About 6 - 12 working days | SF/EMS, Dedicated logistics | Free |
Africa | $250 | About 20 - 35 working days | Dedicated logistics | Buyer pays |
Bikes Shipped from US Warehouse
Country/Region | Shipping Fee | Shipping Time | Shipping Method | Tax Liability |
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USA (Except Hawaii and Puerto Rico) | Free | About 3 - 5 working days | Fedex | Free |
Note: The above shipping time is only in accordance with the previous shipping records to set, if encountered force majeure factors may lead to shipping delays, please be informed that