Jamis Bikes releases new 3VO suspension platform

Portal and Hardline bikes will be at Sea Otter Classic

26er 27.5 29er All Mountain Trail Enduro News Plus Sea Otter Classic
3VO FOX

Both the Portal and the Hardline will come with FOX Float X2 shocks.

The Sea Otter Classic is a time for the cycling industry to show off it latest designs and Jamis Bikes can’t wait to show the world what it’s been working on the past two years.

At Sea Otter Classic in Monterey, CA Jamis Bikes will unveil their latest suspension design and bikes utilizing the technology. The new bikes were developed by Jamis’ in-house design team over the past two years utilizing the licensed 3VO suspension platform. 3VO was engineered and patented by industry veteran Chris Currie of Speedgoat Designs.

3VO Linkage

A more in-depth look at the Instant center progression of the 3VO design.

The 3VO or “Three Variable Optimized” suspension platform promises zero compromise suspension and pedaling performance in all riding conditions. Sal Crochiola, Jamis’ mountain bike product manager explains, “It only took one ride on Chris’s prototype to know this was something special and would be the future platform for Jamis suspension bikes. Incredible small bump sensitivity but also big hit plushness while maintaining super efficient pedaling was immediately noticeable.”

3VO Path

The Shock Rate for the Jamis Bikes Portal and Hardline from raising to falling.

Why the move to 3VO?
  • The unique instant center, center of curvature and axle path is said to eliminate unwanted motion when pedaling, regardless of position within travel or gear combination.
  • Lower, rearward moving instant center allows for high anti-squat with less chain growth to eliminate pedal kickback
  • Tuned multi-phase leverage ratio with initial rising rate for added pedaling stability
  • Consistent, balanced anti-squat and anti-dive cancels pedaling and braking forces
Jamis Portal

3VO up close and personal on the new Jamis Bikes Portal.

Is 3VO as responsive as previous designs?
  • Multi-phase leverage ratio combines both rising and falling rate for quicker impact response
  • Axle path and leverage ratio tuned to work together to keep the system active even when pedaling
  • Short distance from suspension instant center to rear axle for instant response
  • Virtual pivot location stays aligned with driveline, allowing suspension to remain active at every stage of travel
  • Initial rearward axle path allows the bike to be supple on small bumps and square edge hits

Jamis Bikes’ first offerings based around the 3VO platform will be the 130mm 29”/27.5+ Portal and the 160mm travel 27.5”/26+ Hardline.

Jamis Portal

Jamis Portal alloy is ready for the trails ahead and spec’d for the long run.

Jamis Portal – 29″ / 27.5+
  • 130mm rear wheel travel
  • HiLo bottom bracket adjust
  • Enduro Max sealed bearing pivots
  • 12x148mm rear hub spacing
  • Custom Jamis upper chainguide mount
  • ISCG05 lower 2-bolt chainguide mount
Jamis Hardline

The Jamis Bikes Hardline is out of the box ready to rock with Vittoria Martello 27.5 and dropper post.

Jamis Hardline – 27.5″ / 27.5+ / 26+
  • 160mm rear wheel travel
  • Enduro Max sealed bearing pivots
  • 12x148mm rear hub spacing
  • Custom Jamis upper chainguide mount
  • SCG05 lower 2-bolt chainguide mount
Jamis Hardline

Jamis Bikes new Hardline 2019 3VO.

Aluminum models are due to arrive in late summer, carbon fiber versions are following early in 2019.

For more information on the Jamis Bikes Portal, Hardline and the 3VO suspension system please visit www.jamis3vo.com.

Photo Thumbnails (click to enlarge)

About the author: Jordan Villella

Jordan comes from the steep streets of Pittsburgh PA, where he learned to dodge cars and rip single track. He has been involved in nearly every aspect of the cycling industry: from turning wrenches, store design, clothing production and bike park creation. Jordan spends his free time racing cross country and cyclocross around North America, though he has been know to enduro every now and then. His love of cycling is only second to his love of his family and punk rock.


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  • smoothmoose says:

    Interesting take on dual pivot design. New bikes don’t seem pushing the LLS geo much. But interested in hearing the ride reports.

  • Doodgehull says:

    Holy Batman of chain growth,

  • Francis Cebedo says:

    >>Holy Batman of chain growth,
    You have info on this? Do tell.

  • benito says:

    I’d hate to admit I’d ever buy a bike based on how it looks but these certainly seem like a big step forward aesthetically. At least compared to Jamis’s DS options over the past few years.

  • Tom says:

    Go Chris! Should be called “Speedgoat Sus” though.

  • ezE says:

    tanks for keeping 26′rs alive!

  • dave says:

    Holy cow! I had a Jamis with a single pivot and after 4 warranty rear triangles got rid of it. They couldn’t do a simple single pivot right and now they do this contraption? Good luck!

    • dan says:

      @dave ditto! About 8 years ago I had the biggest headache with Jamis rear triangles. Four replacements. One time they sent a rear triangle from another model.

  • Bnystrom says:

    There appear to be at least 12 bearings in the linkage, plus the top and bottom shock pivots. This may be the “holy grail” of suspension design (who knows?), but how long will it last? I have nothing against Jamis, but like others above, I have one that had a rear triangle issue due to poorly aligned and installed bearings. This one has 50% more bearings, which really makes me wonder.

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