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 434 337 391 340 512 454 377 547 555 514
Stack 600 651 617 711 536 632 638 512 595 545
Top Tube (effective) 664 494 611 550 705 690 654 657 704 580
Head Angle 79 66 70 77 69 64 76 72 55 68
Seat Angle 59 76 80 62 62 69 78 70 76 66
Head Tube 108 82 86 101 110 113 104 141 126 136
Chainstay 504 444 394 492 505 408 516 388 436 450
Wheelbase 992 999 1243 1021 1209 1277 1183 1190 1411 981
Standover 750 707 708 688 871 755 785 801 819 851
BB Drop 39 28 33 21 31 30 37 22 37 28
Data Source Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer

Measurements are in millimeters and degrees.

Image showing geometry measurements

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