Jamis Portal 2021
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Geometry
| Add to Compare |
| Reach |
| Stack |
| Top Tube (effective) |
| Head Angle |
| Seat Angle |
| Head Tube |
| Chainstay |
| Wheelbase |
| Standover |
| BB Drop |
| Wheel Size |
| Data Source |
| XS/14.5″ | S/15.5″ | M/17″HI | M/17"LO | L/19″ | XL/21″ | |
|---|---|---|---|---|---|---|
| Add to Compare | ||||||
| Reach | 319 | 399 | 514 | 374 | 416 | 518 |
| Stack | 618 | 636 | 560 | 607 | 601 | 546 |
| Top Tube (effective) | 664 | 496 | 701 | 703 | 671 | 587 |
| Head Angle | 67.5-68 | 67.5-68 | 57 | 70 | 67.5-68 | 67.5-68 |
| Seat Angle | 74.5-75 | 74.5-75 | 81 | 76 | 74.5-75 | 74.5-75 |
| Head Tube | 99 | 86 | 118 | 99 | 113 | 129 |
| Chainstay | 412 | 369 | 427 | 514 | 497 | 356 |
| Wheelbase | 1093 | 1057 | 963 | 1145 | 1147 | 1061 |
| Standover | 717 | 708 | ||||
| BB Drop | 26-33 | 26-33 | 28 | 32 | 26-33 | 26-33 |
| Wheel Size | 33 | 34 | 29 | 32 | 25 | 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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