Cirrus Cycles announced a new addition to their bump-absorbing product line – the Kinekt Suspension Stem. The adjustable, multi-pivot design has 20mm of parallel travel, to reduce shock that would otherwise cause wrist, hand, neck, and shoulder pain.

The new stem was just launched via a Kickstarter campaign – one that is already fully-backed at over $41,000 of support. It’s not the first suspension stem we’ve seen, but its parallelogram design looks to eliminate bar rotation or changes in effective reach associated with single-pivot designs.

Cirrus Cycles claims a host of benefits from the stem – all resulting from a reduction in impact shock.

Since we don’t all weigh the same or ride the same, the Kinekt stem is adjustable:

“All it takes is a 2.5mm Allen wrench to swap out springs. Every Kinekt Stem comes with three spring options (soft, medium, and firm), so you can quickly tune your ride based on the terrain, your bike, and your preferred riding style.”

The main stem parts are made of 6061-T6 aluminum, along with IGUS bushings and stainless steel hardware

Four sizes will be available, all featuring 20mm of travel and a 31.8mm bar clamp diameter.

The Kickstarter campaign still has 31 days left as of this writing, if you want to get in on the action. The Kinekt Suspension Stem will sell for $180, with discounts and extra benefits available to early backers of the project.

CirrusCycles.com

9 COMMENTS

  1. I’m glad that this option exists. Suspension stems for MTBs rightly died out, but they are good for road or gravel riding. Redshift makes their single pivot suspension stem, now we will have a parallelogram one. I’d really like to see a review of this product.

  2. Interesting. Lauf CX fork is 966 g versus Enve CX @ 466 g. This stem is 465 g vs Enve carbon stem @ 120 g . So it’s a 500 g vs 345 g weight penalty for some front end compliance. Except of course the lauf fork actually suspends just the wheel and 50% more travel at 30mm, which is probably worth the 155 g penalty, not to mention the weight is lower on the bicycle. However, interesting to note the relative similarity in weight gain: it’s about a pound of weight for front end compliance, however you achieve it. Maybe this is approaching the minimum possible.

    • Glad to see someone looking at this opportunity objectively and working out the math. We’re generally inclined to be more or less forgiving of a weight penalty depending on which component we’re looking at. The stem also offers the opportunity of tuneability, too. Having tried the Redshift stem, one caution I would offer is that you become immediately aware that most of the weight on the front wheel still comes from the frame, not your hands. This usually makes suspending the wheel a more rewarding experience.

  3. Or a better way to look at it:

    Redshift stem, 270g: 150 g penalty for 10mm travel = 15 g/mm
    Cirrus stem, 480g: 360 g penalty for 20mm travel = 18 g/mm
    Lauf fork, 966g: 500 g penalty for 30mm travel = 17 g/mm

  4. Or another way to look at it:

    Redshift stem: 155 g penalty, 10mm travel = 15.5 g/mm
    Cirrus stem: 350 g penalty, 20mm travel = 17.5 g/mm
    Lauf fork: 500g penalty, 30mm travel = 17 g/mm

    Nice symmetry

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