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 | 326 | 411 | 519 | 398 | 506 | 456 |
| Stack | 567 | 531 | 632 | 638 | 607 | 628 |
| Top Tube (effective) | 613 | 668 | 665 | 724 | 683 | 752 |
| Head Angle | 67.5-68 | 67.5-68 | 69 | 73 | 67.5-68 | 67.5-68 |
| Seat Angle | 74.5-75 | 74.5-75 | 72 | 68 | 74.5-75 | 74.5-75 |
| Head Tube | 88 | 89 | 135 | 102 | 146 | 157 |
| Chainstay | 354 | 397 | 497 | 459 | 519 | 410 |
| Wheelbase | 1176 | 1139 | 1119 | 1269 | 1116 | 1412 |
| Standover | 731 | 846 | ||||
| BB Drop | 26-33 | 26-33 | 26 | 30 | 26-33 | 26-33 |
| Wheel Size | 26 | 28 | 25 | 34 | 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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