All-City Thunderdome geometry
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Size 55cm
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Geometry
| Size | 46cm | 49cm | 52cm | 55cm | 58cm | 61cm |
|---|---|---|---|---|---|---|
| Stack mm | 493 | 509 | 528 | 547 | 571 | 595 |
| Reach mm | 378 | 384 | 394 | 403 | 417 | 430 |
| Head tube angle ° | 72.0 | 72.5 | 72.5 | 72.5 | 72.5 | 72.5 |
| Seat tube angle ° | 75.0 | 75.0 | 74.5 | 74.5 | 74.5 | 74.5 |
| Head tube length mm | 113 | 128 | 148 | 168 | 193 | 218 |
| Seat tube mm | 460 | 490 | 520 | 550 | 580 | 610 |
| Chainstay mm | 396 | 396 | 396 | 396 | 396 | 396 |
| BB drop mm | 53 | 53 | 53 | 53 | 53 | 53 |
| Fork rake mm | 45 | 45 | 45 | 45 | 45 | 45 |
| Stack to reach | 1.30 | 1.33 | 1.34 | 1.36 | 1.37 | 1.38 |
| Effective top tube mmi | 510 | 520 | 540 | 555 | 575 | 595 |
| Wheelbase mmi | 961 | 967 | 983 | 998 | 1020 | 1041 |
Size55cmkey specs
Stack-to-reach (size 55cm)1.36More relaxed (taller and shorter) than 71% of track frames in the database at comparable sizes.
Closest geometry matches (size 55cm)
Matched by stack, reach and head tube angle.