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 437 469 453 410 458 371 376 498 569 474
Stack 587 660 668 500 678 565 727 673 598 613
Top Tube (effective) 599 538 543 630 712 552 722 512 780 539
Head Angle 67 65 55 65 67 59 57 78 65 68
Seat Angle 66 64 71 73 62 87 62 73 72 86
Head Tube 109 87 111 97 103 118 105 130 124 116
Chainstay 482 358 460 487 455 394 392 396 353 393
Wheelbase 1260 1113 1139 1138 1223 1140 1337 1124 1367 1349
Standover 840 753 672 887 780 820 634 856 925 882
BB Drop 33 30 32 26 38 31 30 25 38 29
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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