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 451 392 492 416 486 414 509 520 550 432
Stack 512 501 655 643 735 662 636 611 539 616
Top Tube (effective) 549 647 541 547 712 647 609 743 702 640
Head Angle 80 78 54 81 69 57 59 71 78 80
Seat Angle 65 74 75 81 65 76 83 82 76 85
Head Tube 82 78 122 95 115 125 121 118 142 146
Chainstay 382 509 379 414 480 464 486 373 515 475
Wheelbase 1230 1094 1247 936 941 1298 1076 1185 1342 1152
Standover 705 824 791 878 796 814 848 796 911 829
BB Drop 29 22 32 21 38 20 36 25 31 26
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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