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 | 383 | 449 | 421 | 416 | 464 | 455 |
| Stack | 638 | 694 | 698 | 711 | 563 | 647 |
| Top Tube (effective) | 655 | 590 | 685 | 543 | 665 | 553 |
| Head Angle | 67.5-68 | 67.5-68 | 65 | 55 | 67.5-68 | 67.5-68 |
| Seat Angle | 74.5-75 | 74.5-75 | 75 | 88 | 74.5-75 | 74.5-75 |
| Head Tube | 79 | 116 | 109 | 115 | 111 | 130 |
| Chainstay | 482 | 488 | 349 | 460 | 423 | 447 |
| Wheelbase | 1192 | 980 | 970 | 1212 | 1133 | 1020 |
| Standover | 674 | 616 | ||||
| BB Drop | 26-33 | 26-33 | 21 | 33 | 26-33 | 26-33 |
| Wheel Size | 26 | 29 | 34 | 29 | 23 | 31 |
| 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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