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 | 453 | 369 | 522 | 525 | 455 | 497 |
| Stack | 485 | 717 | 679 | 550 | 653 | 734 |
| Top Tube (effective) | 578 | 675 | 576 | 544 | 695 | 721 |
| Head Angle | 67.5-68 | 67.5-68 | 65 | 64 | 67.5-68 | 67.5-68 |
| Seat Angle | 74.5-75 | 74.5-75 | 84 | 88 | 74.5-75 | 74.5-75 |
| Head Tube | 95 | 116 | 123 | 120 | 148 | 157 |
| Chainstay | 393 | 448 | 389 | 406 | 377 | 445 |
| Wheelbase | 1086 | 1223 | 1042 | 1130 | 1141 | 1195 |
| Standover | 726 | 820 | ||||
| BB Drop | 26-33 | 26-33 | 29 | 31 | 26-33 | 26-33 |
| Wheel Size | 25 | 25 | 34 | 28 | 30 | 33 |
| 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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