Surly Pack Rat (650b) geometry
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Size 54cm
Render
Align
Geometry
| Size | 52cm | 54cm | 56cm | 58cm |
|---|---|---|---|---|
| Stack mm | 551 | 566 | 580 | 595 |
| Reach mm | 387 | 392 | 397 | 402 |
| Head tube angle ° | 74.0 | 74.0 | 74.0 | 74.0 |
| Seat tube angle ° | 73.5 | 73.0 | 72.5 | 72.0 |
| Head tube length mm | 130 | 145 | 160 | 175 |
| Seat tube mm | 520 | 540 | 560 | 580 |
| Chainstay mm | 415 | 415 | 415 | 415 |
| BB drop mm | 55 | 55 | 55 | 55 |
| Fork rake mm | 44 | 44 | 44 | 44 |
| Stack to reach | 1.42 | 1.44 | 1.46 | 1.48 |
| Effective top tube mmi | 550 | 565 | 580 | 595 |
| Wheelbase mmi | 986 | 996 | 1005 | 1014 |
Size54cmkey specs
Stack-to-reach (size 54cm)1.44More aggressive (lower and longer) than 60% of road frames in the database at comparable sizes.
Closest geometry matches (size 54cm)
Matched by stack, reach and head tube angle.
More from Surly
Nearest size to the Pack Rat 54cm.