# Polygon Tambora A4

> Take the longer route home, with tyres ready for the gravel detour.

- Type: gravel bike (Mid-range)
- Price EU: not sold
- Price US: $1,800 at BikesOnline — https://www.bikesonline.com/products/polygon-tambora-a4-gravel-bike
- Frame: Aluminium
- Groupset: Shimano Grx
- Gears: 2x11
- Sizes: S, M, L


## Size chart (typical for this bike type)

| Size | Rider height | Inseam |
|---|---|---|
| XS | 150–160 cm (4′11″–5′3″) | 68–74 cm |
| S | 158–168 cm (5′2″–5′6″) | 72–78 cm |
| M | 167–178 cm (5′6″–5′10″) | 77–83 cm |
| L | 177–186 cm (5′10″–6′1″) | 82–87 cm |
| XL | 185–195 cm (6′1″–6′5″) | 86–91 cm |
| XXL | 193–205 cm (6′4″–6′9″) | 90–97 cm |

## FAQ

### How much does the Polygon Tambora A4 cost?

About $1,800 (US). Prices change often, so check the retailer for the current price.

### What size Polygon Tambora A4 do I need?

XS: 150–160 cm (4′11″–5′3″); S: 158–168 cm (5′2″–5′6″); M: 167–178 cm (5′6″–5′10″); L: 177–186 cm (5′10″–6′1″); XL: 185–195 cm (6′1″–6′5″); XXL: 193–205 cm (6′4″–6′9″). This is a typical chart for this type of bike — confirm with the brand's size chart. Between sizes: the smaller is more agile, the larger more stable.

### Who is the Polygon Tambora A4 for?

It's a mid-range gravel bike: The sweet spot — clearly better parts without silly money. Gravel bikes are best for mixed rides on tarmac, gravel roads and forest paths, bikepacking and weekend adventures, one bike that can commute, train and explore.

### What are alternatives to the Polygon Tambora A4?

Canyon Grizl 6 (€1,799 / $1,999), Priority Apollo Drop Bar Aluminium ($1,999), State Bicycle Co. 4130 All-Road SRAM Rival XPLR AXS ($2,000).

Source: https://pedaloracle.com/bikes/gravel-bikes/polygon-tambora-a4/