Polygon Tambora G4 is a gravel bike designed for riding on paved roads, gravel tracks, and mixed-terrain routes. Its geometry and component package make it suitable for long-distance rides, daily commuting, and adventure cycling.
Frame and Fork
The bike features an ALX aluminum frame paired with a rigid carbon fork. Internal cable routing keeps the design clean, while the frame is built to accommodate wider tires for mixed-surface riding.
Drivetrain
The MicroSHIFT Advent X 1x10 drivetrain uses a 40T chainring and an 11–48T cassette. This setup provides a wide gear range suitable for steep climbs and fast cruising on flatter terrain.
Braking System
Tektro MD-C550 mechanical disc brakes with 160 mm rotors front and rear provide reliable stopping power across a variety of riding conditions.
Wheels and Tires
The bike rolls on 700C wheels fitted with VEE Rail 700x40C tubeless-ready tires. The wider tires improve grip, stability, and comfort on gravel roads and rough pavement.
Cockpit and Components
The cockpit includes a 16° flared handlebar, Entity stem, and Selle Italia Model X saddle. This setup supports a comfortable riding position during longer rides.
The Polygon Tambora G4 is designed for riders looking for a versatile gravel bike capable of handling commuting, recreational rides, bikepacking, and mixed-terrain adventures. Its aluminum frame, carbon fork, MicroSHIFT Advent X drivetrain, and 40 mm tires provide a balanced combination of efficiency, comfort, and control.
What type of bike is this?
It is a gravel bike designed for both paved and unpaved roads.
What are the main advantages?
Its aluminum frame, carbon fork, wide-range drivetrain, and 40 mm tires make it highly versatile.
Who is this bike best suited for?
It is suitable for commuting, gravel riding, bikepacking, and long-distance adventures.
What are the main components?
MicroSHIFT Advent X 1x10 drivetrain, Tektro mechanical disc brakes, carbon fork, and VEE Rail 700x40C tires.
What category does it belong to?
It belongs to the gravel bike category.
Who is the manufacturer?
The manufacturer is Polygon.
What wheel size does it use?
The bike uses 700C (28-inch) wheels.
| BICYCLE FRAME | |
|---|---|
| Dviračio rėmas | Aluminum ALX GRAVEL |
| Dviračio šakė | CARBON RIGID |
| DRIVETRAIN | |
|---|---|
| Priekinių žvaigždžių skaičius | 1 |
| Pavarų perjungimo rankenėlės | MICROSHIFT ADVENT X SB-M100, 1x10-SPEED BRIFTER |
| Priekinis žvaigždžių blokas | ALLOY 40T |
| Galinis pavarų perjungėjas | MICROSHIFT ADVENT X M6205GM 10-SPEED |
| Galinis žvaigždžių blokas | MICROSHIFT ADVENT X CS-H104 10 SPEED 11-48T |
| Grandinė | KMC X10 |
| BRAKES | |
|---|---|
| Stabdžių sistema | TEKTRO MD-C550 |
| Stabdžių tipas | Mechanical disc brakes |
| WHEELS/TYRES | |
|---|---|
| Ratų dydis | 28 |
| Padangos | VEE RAIL 700x40C 622x40 TLR |
| Stebulės | F: ALLOY DISC BRAKE 12x100mm 32H 6B / R: ALLOY DISC BRAKE 12x142mm 32H 6B FOR SPROCKET |
| HANDLEBARS | |
|---|---|
| Vairas | ALLOY FLARE 16degree, W: 420mm (S, M) / 440mm (L, XL), BB: 31,8mm, R/D: 125mm, B/R: 77mm |
| Vairo iškyša | ALLOY STEM, EXT: 90mm (S, M) / 100mm (L, XL), BB: 31,8mm, R/D: 7degree |
| GENERAL INFORMATION | |
|---|---|
| Apytikslis svoris, kg | 11.2 kg |
| Maksimali apkrova, kg | 125 kg |
