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2024 Polygon

TAMBORA G7

A carbon frame gravel bike with upper mid-range components and sram apex hydraulic disc brakes.
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Manufacturer Price

$2,499
Weight21.6 lbs  
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Carbon
Drivetrain1 × 12
GroupsetApex XPLR
BrakesSRAM Apex Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
TAMBORA G7
Other Gravel bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

31 mph

TAMBORA G7

36 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Tambora model range

View Comparison
Sizing
SM

4'11" – 5'5"

MD

5'3" – 5'10"

LG

5'8" – 6'3"

XL

6'1" – 6'5"

Rider Fit Notes
  • 5'5", size SM, Fits small
Price History
Reviews
99 Spokes
Polygon Tambora Review || Two Bikes in One!

Mar 2024

The Polygon Tambora G7 packs a ton of features (adjustable geometry anyone!) into a low its small price tag! But high value on ...

Watch Review

Geometry
Specs
Build
Frame

carbon

BB StandardT47, Threaded

Hanger StandardUDH

ColorCream Khaki

Fork

CARBON RIGID

Bottom Bracket

SRAM DUB T47

Headset

TOKEN TK155SP-36 W/ SEALED BEARING

Stem

Entity Expert, 31.8mm Clamp, 7-Degree, 90mm (S,M) / 100mm (L, XL)

Handlebar

ALLOY FLARE 16degree, W: 420mm (S, M) / 440mm (L, XL), BB: 420mm (S, M) / 440mm (L, XL), R/D: 125mm, B/R: 77mm

Saddle

SELLE ITALIA MODEL X

Seatpost

CARBON, DXL: 27,.2 x 300mm (S,M,L) / 27.2 x 350mm (XL)

TypeRigid

Groupset
Rear Derailleur

SRAM APEX XPLR 12-SPEED

Crank

SRAM APEX 1 WIDE 40T

Shifters

SRAM APEX 12-SPEED BRIFTER

Cassette

SRAM XPLR PG-1231 12 SPEED 11-44T

Chain

SRAM RIVAL 12-SPEED

Brakes

SRAM APEX HYDRAULIC DISC

TypeSRAM Apex Hydraulic Disc

Brake Levers

SRAM APEX

Wheels
Rims

CARBON FV H: 24 622x24 24H FOR TYRE 622-35/68 TLR

Spokes

F: STAINLESS 14G NDS:282 & DS:284 W/ NIPPLE BRASS / R: STAINLESS 14G NDS:284 & DS:282 W/ NIPPLE BRASS

Front Hub

NOVATEC D791 12x100mm 24H CL

Rear Hub

NOVATEC D792 12x142mm 24H CL FOR SPROCKET

Tires

700x40C 622x40 TLR

Disc Rotors

SRAM PACELINE 160mm CL

Rider Notes
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First added January 15

Last updated May 30