Jamis Beatnik geometry
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Size 54
Render
Align
Geometry
| Size | 48 | 51 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|
| Stack mm | 523 | 534 | 552 | 569 | 588 | 618 |
| Reach mm | 382 | 382 | 390 | 396 | 400 | 396 |
| Head tube angle ° | 71.5 | 72.0 | 72.5 | 73.5 | 73.5 | 74.0 |
| Seat tube angle ° | 75.5 | 74.5 | 73.5 | 73.0 | 73.0 | 72.0 |
| Head tube length mm | 95 | 105 | 120 | 135 | 155 | 185 |
| Chainstay mm | 405 | 405 | 405 | 405 | 405 | 405 |
| BB drop mm | 65 | 65 | 65 | 65 | 65 | 65 |
| Fork rake mm | 45 | 45 | 40 | 40 | 40 | 40 |
| Stack to reach | 1.37 | 1.40 | 1.42 | 1.44 | 1.47 | 1.56 |
| Effective top tube mmi | 517 | 530 | 554 | 570 | 580 | 597 |
| Wheelbase mmi | 982 | 981 | 985 | 987 | 996 | 996 |
Size54key specs
Stack-to-reach (size 54)1.42More aggressive (lower and longer) than 73% of road frames in the database at comparable sizes.
Closest geometry matches (size 54)
Matched by stack, reach and head tube angle.
KTM Revelator201652 · 551.26 / 389.35KTM Revelator Master / Revelator Alto Prestige / Revelator 20162017–1952 · 551 / 390Tavelo ArdenCurrentL · 553 / 390Panasonic FRCC26chromoly, POS stock sizes, Current560 · 552 / 389Ribble Endurance 725 Disccurrent (2026)M · 551 / 388Ribble ULTRA-RACEcurrent (2026)M · 551 / 388