TAMBORA

TAMBORA: Our Most Versatile Gravel Machine

Gravel | ACX & ALX Frames | 12 Available Builds

Whether you're a long-distance enthusiast or an adventurous explorer, the TAMBORA is here for all your gravel needs. Flip chips at the rear dropouts and fork base let you switch between gravel and all-road geometry in minutes, making the TAMBORA genuinely two-bikes-in-one. With 14 universal mounting points across the frame, it's ready to carry everything your adventure demands.
Our products:
GRAVEL ?
GRAVEL ?
Ah, nothing compares to the peace of the less-passed road. Whether it's racing and conquering mixed terrains, bikepacking with friends, or following the bike path and getting lost; we'll get you ready with our incredible fast, comfortable, and versatile gravel bikes. Come on, all the things that you want in the world are way out there. Let's go find them. See more...
tambora features 4

Features

  • ACX Carbon Frame

    Specifically tuned to balance lightweight performance with vibration damping, the ACX carbon frame is engineered to absorb chatter, allowing you to ride further with less fatigue.

  • Flip Chip Geometry

    Flip chips located at the rear dropouts and the base of the fork allowing you to extend the wheelbase, easily switching between snappy handling or more stable configurations.

  • 45c tire clearance

    Increased tire clearance increases comfort and capability on mixed terrain.

  • Frame and accessory mounts

    With up to 14 universal mounts , there's plenty of scope to attach any bag or kit that suits your adventure.

Choose your series

1/6 Compare
Polygon Tambora A9X Gravel Bike Black
Polygon Tambora A9X Gravel Bike Black
Polygon Tambora A9X Gravel Bike Black
Polygon Tambora A9X Gravel Bike Black
Polygon Tambora A9X Gravel Bike Black
Polygon Tambora A9X Gravel Bike Black
Polygon Tambora A9X Gravel Bike Black
Polygon Tambora A9X Gravel Bike Black
TAMBORA A9X Compare
black-ca
Price
$5,399.00
EXPLORE TAMBORA A9X

To place an order, please choose size and color first. This item is now available. Learn more.

2/6 Compare
Polygon Tambora G8X Gravel Bike
Polygon Tambora G8X Gravel Bike
Polygon Tambora G8X Gravel Bike
Polygon Tambora G8X Gravel Bike
Polygon Tambora G8X Gravel Bike
Polygon Tambora G8X Gravel Bike
Polygon Tambora G8X Gravel Bike
Polygon Tambora G8X Gravel Bike
TAMBORA G8X Compare
brown-ca
Price
$4,699.00
EXPLORE TAMBORA G8X

To place an order, please choose size and color first. This item is now available. Learn more.

3/6 Compare
Polygon Tambora A5 Gravel Bike Red Black
Polygon Tambora A5 Gravel Bike Red Black
Polygon Tambora A5 Gravel Bike Red Black
Polygon Tambora A5 Gravel Bike Red Black
Polygon Tambora A5 Gravel Bike Red Black
Polygon Tambora A5 Gravel Bike Red Black
Polygon Tambora A5 Gravel Bike Red Black
Polygon Tambora A5 Gravel Bike Red Black
TAMBORA A5 Compare
red-black-ca
Price
$3,199.00
EXPLORE TAMBORA A5

To place an order, please choose size and color first. This item is now available. Learn more.

4/6 Compare
Polygon Tambora G7 Gravel Bike
Polygon Tambora G7 Gravel Bike
Polygon Tambora G7 Gravel Bike
Polygon Tambora G7 Gravel Bike
Polygon Tambora G7 Gravel Bike
Polygon Tambora G7 Gravel Bike
Polygon Tambora G7 Gravel Bike
Polygon Tambora G7 Gravel Bike
TAMBORA G7 Compare
cream-ca
Price
$3,799.00
EXPLORE TAMBORA G7

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5/6 Compare
Polygon Tambora A4 Gravel Bike Charcoal
Polygon Tambora A4 Gravel Bike Charcoal
Polygon Tambora A4 Gravel Bike Charcoal
Polygon Tambora A4 Gravel Bike Charcoal
Polygon Tambora A4 Gravel Bike Charcoal
Polygon Tambora A4 Gravel Bike Charcoal
Polygon Tambora A4 Gravel Bike Charcoal
Polygon Tambora A4 Gravel Bike Charcoal
TAMBORA A4 Compare
charcoal-ca
Price
$1,999.00
EXPLORE TAMBORA A4

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6/6 Compare
Polygon Tambora G4 Gravel Bike
Polygon Tambora G4 Gravel Bike
Polygon Tambora G4 Gravel Bike
Polygon Tambora G4 Gravel Bike
Polygon Tambora G4 Gravel Bike
Polygon Tambora G4 Gravel Bike
Polygon Tambora G4 Gravel Bike
Polygon Tambora G4 Gravel Bike
TAMBORA G4 Compare
white-ca
Price
$1,399.00
EXPLORE TAMBORA G4

To place an order, please choose size and color first. This item is now available. Learn more.

Build Specs

Kit
TAMBORA A9X
TAMBORA G8X
TAMBORA A5
TAMBORA G7
TAMBORA A4
TAMBORA G4
Frame ACX GRAVEL ACX GRAVEL ACX GRAVEL ACX GRAVEL ALX XC TRAIL FRAME ALX GRAVEL
Fork CARBON RIGID CARBON RIGID CARBON RIGID CARBON RIGID CARBON RIGID CARBON RIGID
Shifter SHIMANO GRX Di2 ST-RX825, 2x12-SPEED BRIFTER SRAM RIVAL ETAP AXS 12-SPEED BRIFTER SHIMANO GRX ST-RX600, 2x11-SPEED BRIFTER SRAM APEX 12-SPEED BRIFTER SHIMANO GRX ST-RX600, 2x11-SPEED BRIFTER MICROSHIFT ADVENT X SB-M100, 1x10-SPEED BRIFTER
Crank Set SHIMANO GRX FC-RX820, 48x31T SRAM RIVAL 1 WIDE 40T PRAXIS ALBA GR M30, 48-32T SRAM APEX 1 WIDE 40T PROWHEEL RPZ C701X TT, 48-31T ALLOY 40T
Cassette SHIMANO ULTEGRA CS-R8101, 11-34T SRAM XG-1251 12 SPEED 10-44T XDR SHIMANO CS-HG700, 11-34T SRAM XPLR PG-1231 12 SPEED 11-44T SHIMANO CS-HG700, 11-34T MICROSHIFT ADVENT X CS-H104 10 SPEED 11-48T
Rear Derailleur SHIMANO GRX Di2 RD-RX825 SRAM RIVAL XPLR ETAP AXS 12-SPEED SHIMANO GRX RD-RX810 SRAM APEX XPLR 12-SPEED SHIMANO GRX RD-RX810 MICROSHIFT ADVENT X M6205GM 10-SPEED
Wheel Set NOVATEC G24 DISC (28mm) W/ TUBELESS TAPE INSTALLED NOVATEC G24 DISC (28mm) W/ TUBELESS TAPE INSTALLED ALLOY DOUBLE WALL 32H NOVATEC G24 DISC (28mm) W/ TUBELESS TAPE INSTALLED ALLOY DOUBLE WALL 32H ALLOY DOUBLE WALL 32H
Tire MAXXIS RE-FUSE 700X32C 700x40C 622x40 TLR MAXXIS RE-FUSE 700X32C 700x40C 622x40 TLR MAXXIS PURSUER 700X32C VEE RAIL 700x40C 622x40 TLR
Brake Lever SHIMANO RX825 SRAM RIVAL SHIMANO ST-RX600 SRAM APEX SHIMANO ST-RX600 MICROSHIFT ADVENT X SB-M100
Brake Caliper SHIMANO GRX RX825 HYDRAULIC DISC SRAM RIVAL HYDRAULIC DISC SHIMANO GRX HYDRAULIC DISC SRAM APEX HYDRAULIC DISC SHIMANO GRX HYDRAULIC DISC TEKTRO MD-C550 MECHANICAL
Rotor SHIMANO CL800, 160mm SRAM PACELINE 160mm CL SHIMANO RT-CL700, 160mm SRAM PACELINE 160mm CL SHIMANO RT-CL700, 160mm TEKTRO 160mm 6B
*Specifications, colors, and product availability are subject to change without prior notice.
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