Interactive Strength to Acquire Connected Stair Climbing Brand Stepr

Following its Ergatta acquisition earlier this year, the publicly traded company is adding Stepr to a growing connected fitness equipment portfolio

Interactive Strength Inc. has taken another step up in its acquisition streak, announcing it has signed a definitive agreement to acquire Stepr, a connected stair climbing brand serving both home and commercial facilities.

The move adds Stepr to a growing list of brands under the publicly traded company, which includes indoor cycling maker Wattbike, Clmbr, another connected climbing machine, smart fitness mirror Forme and connected rowing brand Ergatta. Stepr is expected to generate more than $15 million in revenue in 2026, with immediate earnings accretion to TRNR after closing, Interactive Strength said.

Interactive Strength will acquire Stepr through a mix of cash, debt and contingent stock consideration and expects the deal to close in the fourth quarter of this year.

The deal carries a base value of $6.7 million, made up of $2.2 million in cash and debt refinancing at close, $1.5 million in debt for working capital and $3 million in TRNR equity that Stepr can’t sell until September 30, 2027.

The total could climb well beyond that, however. Stepr stands to earn up to $3 million in additional TRNR equity if it hits $4 million in EBITDA between July 2026 and June 2027, and up to another $10.5 million if it reaches $7 million in EBITDA the following year. A final $2.5 million is tied to hitting certain performance targets, Interactive Strength said.

With origins as a bootstrapped fitness equipment startup, Stepr’s climbing machines are found at retailers such as Dick’s Sporting Goods, Johnson Fitness & Wellness, Rogue Fitness and more. In addition to its namesake stair climbers, which range from $3,499.99 for the entry-level Stepr Go to $11,999.99 for the commercial-grade Stepr XL, the brand’s lineup includes treadmills, air-resistance cardio machines and the All-In Ruck, a rucking accessory.

Stair climbing itself has become one of fitness’s unlikelier comeback stories, boosted by social media workout challenges and a shift toward low-impact, high-effort cardio.
The format has also picked up high-profile endorsements. Arnold Schwarzenegger’s Pump Club newsletter recently highlighted research finding that short, intense bursts of stair climbing improved cardiovascular fitness, even among people short on time.

“We are building a dynamic fitness-equipment holding company by acquiring growth-oriented, category-leading brands and aiming to scale them efficiently and profitably, across channels, customer segments and markets,” Interactive Strength CEO Trent Ward said. “Stepr is the leader in one of the fastest-growing segments in fitness, it is profitable and it brings retail distribution expertise across the U.S. that should benefit our entire portfolio – especially Wattbike.”

Stepr’s founders are expected to lead the business post-acquisition.

“TRNR is building something bigger than any single brand, a platform where category leaders scale faster together, and we share that vision,” Stepr co-founder Dan Alenaddaf said. “Joining TRNR gives Stepr access to financing, additional global markets and brands that we could not build alone, and it is the right next step to put stair climbing at the center of everyday fitness.”