Jamis Portal 2021


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Geometry

  XS/14.5″ S/15.5″ M/17″HI M/17"LO L/19″ XL/21″
To view geometry data you must use a web browser that supports JavaScript. See: browser-update.org
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Reach 428 426 453 486 426 470
Stack 690 544 699 640 505 647
Top Tube (effective) 537 576 513 690 692 711
Head Angle 67.5-68 67.5-68 64 68 67.5-68 67.5-68
Seat Angle 74.5-75 74.5-75 77 80 74.5-75 74.5-75
Head Tube 97 119 119 106 142 156
Chainstay 364 439 476 472 512 395
Wheelbase 1160 1021 1122 1034 981 1005
Standover 902 621
BB Drop 26-33 26-33 28 33 26-33 26-33
Wheel Size 33 31 24 33 27 31
Data Source 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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