Aerospace Engineering, Customized 3D-Printed Metal: Reb SST Mountain Bike


Customized bike-builder Reb required 3D-printed aerospace components and professional enduro testing to construct the full-suspension metal MTB. It says you may whip it round like a hardtail.

The Reb SST is a metal short-travel beast. With that, the Colorado-based {custom} builder sought to create a motorcycle that you may sport like a hardtail, however may additionally deal with brutal descents. Not like its smashmouth character, SST is something however low tech.

To satisfy the problem, Reeb assembles a dream crew. It first borrowed crew rider Jeff Lenowski’s Radicellus {custom} hardtail tubes, after which introduced in development and abuse testing from lead frame-builder Adam “Pross” Prossis—which, in case you did not know, rides tough and really quick,

However the designer wanted a supplies skilled as a result of the bike was a full-suspension steely that additionally wanted to be lighter. The third headline member of the crew? That will be James Bridges, whose design has flown on quite a few spaceflight missions throughout his 8-year profession in aerospace.

Excessive-Idea Suspension Design

Consequently, SST will get aerospace-grade 3D-printed body parts. And it makes use of the identical thoughtfully engineered, modified four-bar suspension design because the detail-focused Sqweeb V4.

The reb is in search of the forefront with the rear suspension setup. The rig makes an attempt to mix the pedaling and braking advantages of the Horst-Hyperlink with the simplicity and low weight of a flex-stay. As utilized to the squib, Reeb instructed bikerumor That tighter kinematics improved pedaling and braking management and made the platform extremely tunable and predictable.

rib sst
(pictures/reb)

{Hardware}-wise, Reeb builds up the SST’s suspension with custom-made metal stays, a hole yoke, proprietary dropouts, and outsized enduro bearings. The thought was to extend management and lateral stiffness over the standard metal body.

Within the area, Reeb says, the design decisions make the SST susceptible to small bumps, give it a stable ramp of 120mm of journey, and lead to a stability between stiffness and compliance that is been described as “glorious.” .

“Leverage ratio, kinematics and geometry have all been tuned to create an ultra-responsive chassis that jumps, climbs, slams the road, begins the intervalAnd floats by the chunder like a really massive bike,” Reeb mentioned.

‘Inconceivable’ with out 3D Printing

Apparently, this will merely be as a result of the model makes it with 3D printing as a substitute of CNC routing. Reeb mentioned selective laser melting 3D printing allowed it to manufacture thin-walled components with inner buildings that may be “unattainable” to fabricate by shoddy CNC machining.

rib sst
(photograph/rib)

“Metallic additive manufacturing (3D printing) has fascinated us for a while, however till not too long ago, it was not an economical or accessible know-how. Over time, 3D printing has change into much more mainstream, so we’ve some jumped on the alternative to make components,” mentioned Steve “Area Cowboy” Ziegler, SST and Squibb design engineer and president of REEB Cycles.

Like each Reb bike, the corporate makes every SST by hand at its Lyons, Colo., facility. Reb solely builds the body, plus two full builds, Accessible in 5 sizes, The body alone runs $3,150, and the range-topping X01 AXS construct fetches $9,850.

Contemplating what goes into constructing an SST, the present lead occasions make for a comparatively brief wait: December 15 for body X01, January 1 for X01 AXS, and 1 for full construct mid-range GX February.

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Final night time in Minneapolis, on the venerable Jungle Theatre, greater than 500 cyclists and civilians crowded into an auditorium that commonly hosts unbiased acts to look at a much-anticipated film, “Deep Customized,” which is a Twin Cities bike journey. -Scene fixture profiles Eric Noreen. and his bicycle framebuilding enterprise. Presenting the primary net present of the movie. Learn extra…





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