Jamis Portal 2018

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Geometry

  XS/14.5" Lo XS/14.5" Hi S/15.5" Lo S/15.5" Hi M/17" Lo M/17" Hi L/19" Lo L/19" Hi XL/21" Lo XL/21" Hi
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Reach 385 374 420 351 519 465 434 400 491 414
Stack 518 598 561 496 647 627 715 649 559 541
Top Tube (effective) 649 670 619 491 592 525 726 635 608 617
Head Angle 69 55 77 67 67 66 61 72 58 77
Seat Angle 86 86 68 78 74 75 85 80 80 74
Head Tube 88 76 120 92 132 94 147 124 113 118
Chainstay 421 397 446 384 374 369 506 524 450 365
Wheelbase 1024 989 1327 1259 1325 1266 1092 1199 1055 1081
Standover 618 616 710 687 680 787 860 891 652 633
BB Drop 37 27 38 21 32 30 39 27 27 23
Data Source Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer

Measurements are in millimeters and degrees.

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