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 435 442 498 425 425 397 473 379 507 498
Stack 681 681 565 632 689 509 571 654 536 674
Top Tube (effective) 567 493 480 493 607 583 556 715 770 742
Head Angle 76 62 78 55 67 75 74 62 65 66
Seat Angle 77 66 67 66 74 64 77 89 81 86
Head Tube 107 80 120 84 108 108 124 130 118 114
Chainstay 385 408 506 513 353 409 499 384 524 481
Wheelbase 922 1152 1116 1232 1263 1332 1294 1029 1151 1029
Standover 785 605 630 733 741 777 722 902 710 714
BB Drop 26 21 28 27 29 20 28 21 37 25
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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