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 435 348 377 443 421 444 479 477 569 473
Stack 684 702 547 551 518 515 537 590 598 530
Top Tube (effective) 504 568 512 528 679 542 550 509 772 649
Head Angle 60 71 62 81 71 58 71 62 60 65
Seat Angle 71 69 65 72 83 78 80 80 82 82
Head Tube 111 112 95 106 93 136 125 125 114 134
Chainstay 433 415 502 457 439 454 370 406 439 393
Wheelbase 1286 1258 1183 1084 978 1315 1278 968 1014 1324
Standover 803 844 830 713 804 735 634 743 666 743
BB Drop 35 30 27 28 27 23 36 23 30 30
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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