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 | 430 | 429 | 394 | 459 | 458 | 486 |
| Stack | 669 | 715 | 593 | 674 | 647 | 512 |
| Top Tube (effective) | 580 | 505 | 600 | 538 | 602 | 757 |
| Head Angle | 67.5-68 | 67.5-68 | 62 | 62 | 67.5-68 | 67.5-68 |
| Seat Angle | 74.5-75 | 74.5-75 | 66 | 71 | 74.5-75 | 74.5-75 |
| Head Tube | 80 | 112 | 113 | 130 | 130 | 141 |
| Chainstay | 510 | 361 | 449 | 371 | 392 | 384 |
| Wheelbase | 1013 | 1333 | 1378 | 1044 | 968 | 1196 |
| Standover | 729 | 824 | ||||
| BB Drop | 26-33 | 26-33 | 30 | 35 | 26-33 | 26-33 |
| Wheel Size | 26 | 24 | 30 | 30 | 31 | 29 |
| 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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