Polygon Tambora geometry
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Size M
Render
Align
Geometry
| Size | S | M | L | XL |
|---|---|---|---|---|
| Stack mm | 568 | 593 | 622 | 650 |
| Reach mm | 369 | 381 | 397 | 412 |
| Head tube angle ° | 70.0 | 71.5 | 71.8 | 72.0 |
| Seat tube angle ° | 74.5 | 74.0 | 73.5 | 73.0 |
| Head tube length mm | 143 | 163 | 193 | 221 |
| Seat tube mm | 404 | 448 | 492 | 535 |
| Chainstay mm | 425 | 425 | 425 | 425 |
| BB drop mm | 78 | 78 | 78 | 78 |
| Stack to reach | 1.54 | 1.56 | 1.57 | 1.58 |
| Effective top tube mmi | 527 | 551 | 581 | 611 |
SizeMkey specs
Stack-to-reach (size M)1.56More relaxed (taller and shorter) than 87% of gravel frames in the database at comparable sizes.
Closest geometry matches (size M)
Matched by stack, reach and head tube angle.
More from Polygon
Nearest size to the Tambora M.