Polygon Tambora A4

C$1,999

In stock at 1 shop in Vancouver

Sizes in stock
MLXL
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 M, L, XL
C$1,999
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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: ALX XC Trail Frame, • Fork: Carbon Rigid, • Size: S, M, L, XL, • Frame Color: Charcoal - BLUE

Decal Color
Silver

Drivetrain: • Shifter: Shimano GRX ST-RX600, 2x11-Speed Brifter, • Crank: Prowheel RPZ C701X TT, 48-31T, • Cassette: Shimano CS-HG700, 11-34T, • Rear Derailleur: Shimano GRX RD-RX810

BB
BSA, 68mm
Chain
KMC X11

Cockpit

Saddle
Linc Flux 2
Seatpost
Polygon Expert, DxL: 27.2x400mm
  • Handlebar: Polygon Expert, W: 420mm (S, M) / 440mm (L, XL), BB: 31.8mm, R/D: 125mm, B/R: 77mm
Handlestem
Polygon Expert, EXT: 90mm (S, M) / 100mm (L, XL) , BB: 31.8mm, R/D: 7degree
Headset
Token TK156SP-36 W/ Sealed Bearing, ZS 56/28.6 | ZS 56/40

Wheel & Tire

Wheel Set
Alloy Double Wall 32H
Wheel Size
700C
Tire
Maxxis Pursuer 700X32C
  • Rim: F: Alloy Double Wall FV H: 20 622 32H Tlr / R: Alloy Double Wall FV H: 20 622 32H Tlr
  • Hub: F: Novatec D791SB 12x100mm 32H CL / R: Novatec D792SB 12x142mm 32H CL FOR Sprocket
  • Spokes: F: Stainless 14G Nds:290 & DS:292 W/ Nipple Brass / R: Stainless 14G Nds:292 & DS290: W/ Nipple Brass

Brake: • Brake Lever: Shimano ST-RX600, • Brake Caliper: Shimano GRX Hydraulic DISC, • Rotor: Shimano RT-CL700, 160mm, Geometry

Description from Dunbar Cycles.