2023

POLYGON TAMBORA G8X

Gravel · Gravel · Unisex

Frame material Carbon

Groupset Rival XPLR AXS, Rival AXS

Weight NULL kg

Wheel size 29

Wheel material Carbon

Drivetrain 1 X 12 Electronic

Chain Sram Rival 12-Speed

Tires Vee Rail 700X40C 622X4...

Brake type Hydraulic Disc

See all specifications ↓

RRP

€2,755 incl. taxes

Observed price — New

€2,008 incl. taxes

Refurbished price

€1,215 incl. taxes

Likely trade-in value

1 234 €

About this bike

Polygon engineered the TAMBORA G8X 2023 as a gravel bike. Built around a carbon frame.

On the financial side, the recommended retail price (RRP) is €2,755, while the observed market price for a new unit averages €2,008. On the second-hand market we see refurbished units at around €1,215.

All data is refreshed daily — keep reading to see how the Polygon TAMBORA G8X performs against the rest of the market.

Bikes currently in the market or recently sold

Retailer	Image	Link	Model	Year	Condition	Price	RRP	Discount	Status	Country	Last seen	First seen	Online for	Similarity	E-Bike	Groupset	Mileage	Size	Brake type	Frame material	Wheel size	Motor Torque	Battery capacity	Category
Retailer		Link	TAMBORA G8X	2025	New	1 234 €	1 234 €	-20%	On sale	Europe	2026-08-10	2026-05-11	91	Related	No	SRAM Rival eTap AXS	—	M	Disco	Carbon	—	—	—	Road
Retailer	—	Link	TAMBORA	2025	Refurbished	1 234 €	1 234 €	-20%	On sale	France	2026-03-17	2025-09-07	191	Related	No	Microshift	—	M	Disques	Aluminium	700 / 28	—	—	Ville / Vtc
Retailer		—	TAMBORA G8X	2026	Refurbished	1 234 €	1 234 €	-20%	Sold	France	2026-08-14	2026-04-19	117	Related	No	SRAM Rival	—	L	Disques	Carbon	700 / 28	—	—	Gravel

Specifications

CategoryGravel

SubcategoryGravel

Year2023

Framecarbon

Frame materialCarbon

ForkCARBON RIGID

Fork materialCarbon

WeightNULL kg

SuspensionRigid

TravelNULL

Colors XXXXXXXX

Sizes XXXXXXXX

Components

Groupset Rival XPLR AXS, Rival AXS

Drivetrain 1 X 12 Electronic

Rear derailleur SRAM RIVAL XPLR ETAP AXS 12-SPEED

Cassette SRAM XG-1251 12 SPEED 10-44T XDR

Chain SRAM RIVAL 12-SPEED

Crank SRAM RIVAL 1 WIDE 40T

Bottom bracket SRAM DUB T47

Brake type Hydraulic Disc

Brakes SRAM RIVAL HYDRAULIC DISC

Brake levers SRAM RIVAL

Handlebar ALLOY FLARE 16degree, W: 420mm (S, M) / 440mm (L, XL), BB: 31,8mm, 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)

Wheels & Tires

Wheel size 29

Wheel material Carbon

Rims CARBON FV H: 28 622x24 24H FOR TYRE 622-35/68 TLR

Spokes F: STAINLESS DOUBLE BUTTED 14G NDS:282mm DS:284mm W/ NIPPLE BRASS / STAINLESS DOUBLE BUTTED 14G NDS:284mm DS:282mm W/ NIPPLE BRASS

Tires VEE RAIL 700x40C 622x40 TLR

Tire width 40c

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