Lib Tech E. Jack Knife

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You don't take a Ferrari out to drive 25 through the neighborhood. When you've got 700 horses under the hood, you've got to open it up. The same goes for the E. Jack Knife—this board performs best with the throttle wide open headed for any available lip in sight. One tester described the board as "very stiff and ideal for a powerful rider who wants their board to push back," elaborating that, "It performs great for high-speed, quick maneuvers and won’t loop out on landings." But like its name suggests, the Eric Jackson's new pro model isn't easily pigeonholed into a single type of riding. Its tapered tail and large nose offer effortless float in powder, while the aggressive take on Lib Tech's C3 profile—this thing has camber like it's '99—combined with Magne-Traction edges will handle chop and chunder as well as any board you'll find. It's a Jack of all terrain—a board for the back, front, and sidecountry.

Length (cm) –Waist Width (cm)

154 — 25.1

157 — 25.3

159 — 25.4

159W — 26.9

Flex: 8/10

Camber: Hybrid—minimal rocker with a camber dominant nose and tail

Base: Sintered

Shape: Tapered directional

(Flex is not standardized and differs by brand. The rating here is the best estimate of the board's flex.)

Price: $600.00
Brand Name

Lib Tech




All Mountain

Product Type



154, 157, 159, 159W

Manufacturers URL


Tester quote: “Very stiff and ideal for a powerful rider who wants their board to push back.”

Product Showroom




Good Wood


Bang For Your Buck


Gallery ID




Guide Year


Tester quote: “Very stiff and ideal for a powerful rider who wants their board to push back.”

Good Wood 2018 presented by

With hundreds of options available, how do you pick the best snowboard for you and your riding? The 2017-2018 Good Wood board test is a great place to start. Every board in here has been through rigorous rounds of testing in the environments it's intended for, and passed. Between the feature-filled freestyle terrain at Carinthia at Mount Snow in Vermont, and the rugged steeps of Snowbird, Utah, our eclectic and discerning testers rode and rated hundred of snowboards, ultimately concluding that these are the pinnacle of this season's freestyle and freeride offerings, respectively. Our crew is comprised of riders of riders of vastly varying sizes and backgrounds, with two commonalities: they're all experienced snowboarders with astute product knowledge. When a board stokes out the majority of this group, it means something. In addition to the park and all-mountain Good Wood accolades, we award two boards in each category with the “Bang for your Buck” designation, meaning they're the top-performers with the lowest price tags. Now in its 19th year, TransWorld SNOWboarding's Good Wood is the longest-running and most credible snowboard test on the planet.

How The Boards Are Scored

Shortly after ripping laps on each model, our testers score the board based on a comprehensive set of characteristics that include edgehold, pop, swingweight, turn initiation, stability, and flex. The scorecards for the park and all-mountain categories of the test each have unique and specific criteria designed to pinpoint the strengths and weakness of a snowboard in the setting respective to its category. Beyond the quantifiable scoring, we also ask testers to comments on each facet of the board's performance. These notes we refer to extensively when writing each review. Dive into the results and see what performed for our testers, then find what will work for you.