Jamis Portal 2018

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Geometry

Select two bikes to compare.
Any bike, any page.

  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
Compare
Reach 351 439 393 376 411 404 439 444 403 515
Stack 508 534 720 595 705 570 666 531 668 671
Top Tube (effective) 657 627 688 573 552 511 724 572 577 691
Head Angle 73 72 77 65 73 70 62 68 78 60
Seat Angle 74 83 69 73 85 83 79 66 74 84
Head Tube 102 88 90 86 118 100 119 132 118 111
Chainstay 384 405 493 397 433 520 370 470 489 370
Wheelbase 1183 1128 1130 1207 996 1118 1245 1216 1349 1421
Standover 745 681 732 883 892 792 670 893 708 724
BB Drop 38 24 27 29 26 28 35 21 37 22
Data Source Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer

Measurements are in millimeters and degrees, unless otherwise noted.

Problem? Edit Bike - Edit Geometry

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Jenson USA - Performance Bicycle - Competitive Cyclist

Thank you! Bob & Dave

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