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 | 394 | 357 | 488 | 500 | 528 | 527 |
| Stack | 702 | 688 | 547 | 584 | 624 | 578 |
| Top Tube (effective) | 455 | 511 | 491 | 656 | 520 | 544 |
| Head Angle | 67.5-68 | 67.5-68 | 80 | 66 | 67.5-68 | 67.5-68 |
| Seat Angle | 74.5-75 | 74.5-75 | 76 | 69 | 74.5-75 | 74.5-75 |
| Head Tube | 90 | 101 | 126 | 133 | 117 | 120 |
| Chainstay | 498 | 416 | 472 | 387 | 427 | 404 |
| Wheelbase | 1225 | 1010 | 1272 | 1050 | 1090 | 1143 |
| Standover | 767 | 811 | ||||
| BB Drop | 26-33 | 26-33 | 20 | 31 | 26-33 | 26-33 |
| Wheel Size | 33 | 24 | 30 | 26 | 27 | 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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