Jamis Portal 2018
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Geometry
| XS/14.5" Lo | XS/14.5" Hi | S/15.5" Lo | S/15.5" Hi | M/17" Lo | M/17" Hi | L/19" Lo | L/19" Hi | XL/21" Lo | XL/21" Hi | |
|---|---|---|---|---|---|---|---|---|---|---|
| Add to Compare | ||||||||||
| Reach | 317 | 322 | 480 | 335 | 506 | 392 | 545 | 481 | 418 | 535 |
| Stack | 685 | 551 | 522 | 549 | 721 | 689 | 560 | 651 | 670 | 516 |
| Top Tube (effective) | 575 | 640 | 595 | 527 | 503 | 513 | 642 | 679 | 693 | 692 |
| Head Angle | 76 | 57 | 64 | 67 | 67 | 67 | 74 | 72 | 70 | 57 |
| Seat Angle | 70 | 86 | 87 | 74 | 77 | 77 | 80 | 88 | 88 | 61 |
| Head Tube | 100 | 82 | 108 | 107 | 110 | 118 | 140 | 147 | 154 | 114 |
| Chainstay | 384 | 408 | 477 | 511 | 375 | 482 | 506 | 396 | 442 | 374 |
| Wheelbase | 1147 | 1248 | 1205 | 924 | 1236 | 1249 | 1101 | 1192 | 984 | 1212 |
| Standover | 673 | 834 | 898 | 651 | 750 | 682 | 694 | 711 | 667 | 781 |
| BB Drop | 35 | 21 | 31 | 22 | 35 | 26 | 35 | 30 | 36 | 28 |
| Data Source | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer |
Standard measurements are in millimeters and degrees. The site attempts to recognize and convert other units back to standard - results may vary.
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