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 420 319 446 473 442 524 543 514 452 486
Stack 613 698 568 492 605 728 551 704 558 657
Top Tube (effective) 452 589 566 476 724 654 696 729 780 780
Head Angle 71 59 78 60 77 80 58 70 75 62
Seat Angle 82 88 65 69 75 76 69 86 80 88
Head Tube 98 105 101 93 94 109 133 103 126 142
Chainstay 380 515 431 458 460 461 431 399 363 408
Wheelbase 973 1297 1259 1102 1305 1013 1296 1044 1307 1361
Standover 838 859 656 783 672 661 844 823 904 861
BB Drop 32 21 33 23 38 29 28 23 35 23
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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