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Today’s Deals2026 Polygon
Tambora A4
An aluminum frame gravel bike with high-end components and shimano grx 600 hydraulic disc brakes.
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Manufacturer Price
$1,699| Reported Weight | 23.4 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Rigid |
| Fork | Carbon |
| Wheels | 700c Aluminum |
| Drivetrain | 2 × 11 |
| Groupset | GRX 800, GRX 600 |
| Brakes | Shimano GRX 600 Hydraulic Disc |
4'11" – 5'5"
5'3" – 5'10"
5'8" – 6'3"
6'1" – 6'6"
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 ...
| Frame | ALX XC Trail Aluminum, 14 Universal Mounts, Flip‑Chip Adjustable Geometry, 12 × 142 mm Rear Spacing, Flat‑Mount Tire Clearance: 45c |
|---|---|
| Fork | Carbon Rigid, Tapered Steerer, Flip‑Chip, Internal Routing, 12 × 100 mm Spacing, Flat‑Mount |
| Headset | Token TK156SP‑36, Sealed Bearing, ZS 56/28.6 | ZS 56/40 |
| Stem | Polygon Expert, 90 mm (S, M) / 100 mm (L, XL), 31.8 mm Clamp, 7° Rise |
| Handlebar | Polygon Expert, 420 mm (S, M) / 440 mm (L, XL), 31.8 mm Clamp, 125 mm Drop, 77 mm Reach |
| Saddle | LINC Flux 2 |
| Seatpost | Polygon Expert, 27.2 × 400 mm Type: Rigid |
| Grips | Bar Tape |
| Rear Derailleur | Shimano GRX RD‑RX810, 11‑Speed |
|---|---|
| Front Derailleur | Shimano GRX FD‑RX810, 11‑Speed |
| Crank | 48/31T |
| Shifters | Shimano GRX ST‑RX600, 2×11‑Speed |
| Cassette | Shimano CS‑HG700, 11‑34T, 11‑Speed |
| Chain | KMC X11 |
| Brakes | Front: Shimano GRX Hydraulic Disc, Flat‑Mount, Rear: Shimano GRX Hydraulic Disc, Flat‑Mount Type: Shimano GRX 600 Hydraulic Disc |
| Rims | Polygon Alloy Double‑Wall, 20 mm Inner Width, 622 × 32H, Tubeless‑Ready * |
|---|---|
| Front Hub | Novatec D791SB, 32H, Center Lock, Sealed Cartridge Bearings, Thru‑Axle, 12 × 100 mm |
| Rear Hub | Novatec D792SB, 32H, Center Lock, Sealed Cartridge Bearings, HG Freehub, Thru‑Axle, 12 × 142 mm |
| Tires | Maxxis Pursuer, 700 × 32C ** |
| Disc Rotors | Shimano RT‑CL700, 160 mm |
First added March 7
Last updated May 30