Jamis Portal 2021
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Geometry
| XS/14.5″ | S/15.5″ | M/17″HI | M/17"LO | L/19″ | XL/21″ | |
|---|---|---|---|---|---|---|
| Add to Compare | ||||||
| Reach | 417 | 469 | 385 | 505 | 459 | 531 |
| Stack | 493 | 522 | 614 | 519 | 535 | 665 |
| Top Tube (effective) | 482 | 672 | 601 | 539 | 632 | 536 |
| Head Angle | 67.5-68 | 67.5-68 | 60 | 65 | 67.5-68 | 67.5-68 |
| Seat Angle | 74.5-75 | 74.5-75 | 76 | 86 | 74.5-75 | 74.5-75 |
| Head Tube | 94 | 119 | 108 | 134 | 144 | 146 |
| Chainstay | 410 | 421 | 416 | 361 | 413 | 355 |
| Wheelbase | 1297 | 1297 | 1260 | 1189 | 1041 | 1220 |
| Standover | 747 | 853 | ||||
| BB Drop | 26-33 | 26-33 | 25 | 30 | 26-33 | 26-33 |
| Wheel Size | 23 | 24 | 29 | 24 | 24 | 25 |
| Data Source | 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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