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 473 463 454 478 504 426 407 496 413 541
Stack 565 501 672 589 593 619 612 584 565 517
Top Tube (effective) 611 657 622 642 648 702 620 589 779 647
Head Angle 55 57 60 61 62 62 62 81 58 67
Seat Angle 62 60 81 74 69 63 71 84 80 74
Head Tube 113 104 99 84 93 127 103 143 123 154
Chainstay 420 359 449 368 362 389 425 482 515 444
Wheelbase 1120 972 1085 1330 1062 939 997 1114 1050 1175
Standover 675 809 610 656 748 849 635 670 691 727
BB Drop 37 28 30 30 29 24 35 22 36 21
Data Source Manufacturer Manufacturer Manufacturer Manufacturer 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.

Image showing geometry measurements

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