Rivendell Platypus geometry
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Size 50
Render
Align
Geometry
| Size | 45 | 50 | 55 | 60 |
|---|---|---|---|---|
| Stack mm | 534 | 560 | 603 | 664 |
| Reach mm | 396 | 404 | 415 | 432 |
| Head tube angle ° | 69.5 | 69.5 | 69.5 | 69.5 |
| Seat tube angle ° | 72.0 | 72.0 | 72.0 | 72.0 |
| BB drop mm | 67 | 67 | 80 | 80 |
| Stack to reach | 1.35 | 1.39 | 1.45 | 1.54 |
| Effective top tube mmi | 570 | 586 | 611 | 648 |
Size50key specs
Stack-to-reach (size 50)1.39More aggressive (lower and longer) than 90% of flat-bar frames in the database at comparable sizes.
Closest geometry matches (size 50)
Matched by stack, reach and head tube angle.
BMC Alpenchallenge AL2025S · 560 / 400Norco Search A Flat Bar20252 · 564 / 400Focus PlanetLite / Pro, 201646 · 564 / 408Focus Arriba DiscTiagra / Apex, 201657 · 564.5 / 400Specialized Sirrus Xstep-through, 2022–25S · 563 / 400Specialized Sirrus Step-Through2021–23; Sirrus 2.0 Step-Through, 2021–23S · 563 / 400