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 | 471 | 477 | 381 | 395 | 408 | 490 |
| Stack | 582 | 696 | 550 | 509 | 677 | 626 |
| Top Tube (effective) | 520 | 649 | 623 | 686 | 693 | 759 |
| Head Angle | 67.5-68 | 67.5-68 | 56 | 60 | 67.5-68 | 67.5-68 |
| Seat Angle | 74.5-75 | 74.5-75 | 75 | 65 | 74.5-75 | 74.5-75 |
| Head Tube | 104 | 113 | 113 | 116 | 131 | 131 |
| Chainstay | 428 | 382 | 459 | 428 | 420 | 408 |
| Wheelbase | 1279 | 975 | 1098 | 1374 | 1034 | 1307 |
| Standover | 878 | 747 | ||||
| BB Drop | 26-33 | 26-33 | 20 | 28 | 26-33 | 26-33 |
| Wheel Size | 32 | 32 | 34 | 34 | 29 | 30 |
| Data Source | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer |
Measurements are in millimeters and degrees.
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