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 451 437 460 337 465 512 476 542 462 435
Stack 537 698 614 524 500 517 690 686 565 537
Top Tube (effective) 588 493 510 654 685 686 710 570 585 538
Head Angle 67 71 58 58 67 55 74 63 68 56
Seat Angle 79 67 81 64 76 60 64 78 75 82
Head Tube 106 81 109 117 134 115 140 130 124 144
Chainstay 351 501 477 411 399 479 496 505 412 390
Wheelbase 1319 1015 1249 941 1329 1336 1349 1373 1365 1427
Standover 728 852 658 682 810 822 605 761 907 706
BB Drop 29 30 29 29 34 28 33 23 32 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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