Ellsworth launches the Rogue Forty all-mountain bike, tightens up of its proprietary suspension design, and unveils a company rebranding.

Video: Ellsworth Rogue Forty and ACTIVE Energy Efficient Suspension

Tony Ellsworth, founder of the eponymous bicycle brand, walks us through the company's biggest changes for 2017.

Ellsworth Interbike 2016 Booth

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Tony Ellsworth, founder of the eponymous bicycle brand, welcomes the Mtbr crew to his booth at the Interbike tradeshow to walk us through some key developments in the company's product line for 2017.

The big news from Ellsworth is the launch of the all-mountain race-ready Rogue Forty enduro rig. The bike features 140mm front and rear suspension, a 67-degree head tube angle, 420mm chainstays, and a 13.7" bottom bracket height for the trail taming long and low design. The bike is offered in medium, large, and XL frame sizes.

In other developments, Ellsworth gave its proprietary suspension system a makeover this year, renaming it the Active Energy Efficient Suspension system. Formerly known as Instant Center Tracking, the system is designed to maximize energy transfer and full travel activation at the same time.

Ellsworth claims to have increased stiffness over 300 percent in their rear suspension system thanks in part to a new hex bolt shock pin that inserts in either side of the rocker to prevent scissoring. At the same time, the Ellsworth shock stay exhibits less movement when there are lateral forces on the wheel due to a carbon torsion arch at the rocker and two hex taper axles (one at the bottom of the shock stay, one at the derailleur hanger on the opposite side).

Gallery: Ellsworth Rogue Forty, Rogue Sixty, Epiphany and Epiphany Convert

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For more info visit www.ellsworthbikes.com