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2024 Polygon

TAMBORA AE GRX

A carbon frame gravel e-bike with high-end components and shimano grx 800 hydraulic disc brakes.
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Manufacturer Price

$4,099
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Carbon
Drivetrain1 × 12
GroupsetGRX 800
MotorBosch 600W 63Nm mid-drive
BatteryBosch 400Wh
BrakesShimano GRX 800 Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
TAMBORA AE GRX
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)

38 mph

TAMBORA AE GRX

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 AE model range

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Sizing
SM

4'11" – 5'5"

MD

5'3" – 5'10"

LG

5'8" – 6'3"

XL

6'1" – 6'5"

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

carbon

Color: Metalic Brown

Fork

CARBON RIGID

Headset

FSA NO.55R 1.5"/CR/LS, IS 52/28.6 | IS 52/40

Handlebar

FSA ENERGY SUPER COMPACT, W: 400mm (S-M) 420mm (L-XL), BB: 31.8mm, R/D: 120mm

Saddle

FIZIK TERRA ARGO, STEEL ø7mm

Seatpost

CARBON, DxL: 27.2 x 400mm

Type: Rigid

Groupset
Rear Derailleur

SHIMANO GRX RD-RX822 12-SPEED

Crank

FSA CK-220-IS MEGATOOTH SH 44T

Shifters

SHIMANO GRX BR-RX820 12-SPEED BRIFTER

Cassette

SHIMANO CS-M8100 XT 12-SPEED 10-51T MICROSPLINE

Chain

SHIMANO CN-M6100 12-SPEED

Brakes

SHIMANO GRX HYDRAULIC

Type: Shimano GRX 800 Hydraulic Disc

Brake Levers

SHIMANO GRX ST-RX820

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:282 & DS:280 W/ NIPPLE BRASS

Front Hub

NOVATEC D791 12x100mm 24H CL

Rear Hub

CL-142 12x142mm 24H CL FOR MICROSPLINE

Tires

SCHWALBE G-ONE 700C-40 622X40 ALLROUND TIRE TLE ADDIX

Disc Rotors

SHIMANO RT-CL800 CENTERLOCK 160MM

Electric Components
Motor

BOSCH PERFORMANCE LINE SPRINT BDU3184

Battery

BOSCH COMPACTTUBE 400 FIXED MOUNT HORIZONTAL

Rider Notes
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First added December 15

Last updated August 23

Not listed for 282 days