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 346 469 499 467 498 417 482 453 529 514
Stack 564 704 589 564 582 661 708 524 533 655
Top Tube (effective) 481 570 559 624 645 552 672 715 622 677
Head Angle 58 80 65 73 77 61 56 71 56 55
Seat Angle 69 84 65 87 86 82 89 70 77 74
Head Tube 100 98 116 95 118 107 122 146 111 127
Chainstay 449 374 365 383 468 489 356 393 476 401
Wheelbase 902 1022 1163 1144 1023 1079 1161 1139 1364 1389
Standover 660 784 776 643 860 657 798 757 645 817
BB Drop 27 27 36 23 34 26 34 25 31 29
Data Source Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer

Measurements are in millimeters and degrees.

If you like the site, can we ask a favor?

Click now, buy soon, and we'll get a few cents.

Jenson USA - Competitive Cyclist

Thank you! Bob & Dave

New Search by Stack and Reach

You can now search the database by numbers.

Find bikes that match your geometry criteria.

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