Polygon Tambora G8X

C$4,699

In stock at 1 shop in Vancouver

Sizes in stock
SMLXL
Buy at Dunbar Cycles

Prices and stock checked Oct 22.

Where to buy

1 shop
Dunbar Cycles622 E Broadway, Vancouver, BC V5T 1X7 · Vancouver · Directions
2026Sizes S, M, L, XL
C$4,699
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About this bike

Description

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.Technical Specifications

Show full description and specs

Frameset: • Frameset: ACX Gravel, • Fork: Carbon Rigid, • Frame Color: Maroon Brown, • Decal Color: Charcoal

Drivetrain: • Shifter: SRAM Rival ETAP AXS 12-Speed Brifter, • Crank: SRAM Rival 1 WIDE 40T, • Cassette: SRAM XG-1251 12 Speed 10-44T XDR, • Rear Derailleur: SRAM Rival XPLR ETAP AXS 12-Speed

BB
SRAM Dub T47
Chain
SRAM Rival 12-Speed

Cockpit

Saddle
Selle Italia Model X
Seatpost
Carbon, DXL: 27,.2 x 300mm (S,M,L) / 27.2 x 350mm (XL)
  • Handlebar: Alloy Flare 16degree, W: 420mm (S, M) / 440mm (L, XL), BB: 31,8mm, R/D: 125mm, B/R: 77mm
Handlestem
Alloy STEM, EXT: 90mm (S, M) / 100mm (L, XL), BB: 31,8mm, R/D: 7degree
Headset
Token TK155SP-36 W/ Sealed Bearing

Wheel & Tire

Wheel Set
Novatec G24 DISC (28mm) W/ Tubeless TAPE Installed
Tire
700x40C 622x40 TLR
Rim
Carbon FV H: 28 622x24 24H FOR TYRE 622-35/68 TLR
Hub
F: Novatec D791 12x100mm 24H CL / R: Novatec D792 12x142mm 24H CL FOR XDR
  • Spokes: F: Stainless Double Butted 14G NDS:282mm DS:284mm W/ Nipple Brass / Stainless Double Butted 14G NDS:284mm DS:282mm W/ Nipple Brass

Brake: • Brake Lever: SRAM Rival, • Brake Caliper: SRAM Rival Hydraulic DISC, • Rotor: SRAM Paceline 160mm CL, Geometry

Description from Dunbar Cycles.