Niner: From the 29er Revolution to Dirt-Road Versatility

Niner is an American bicycle brand whose identity grew from a specific conviction: mountain bikes should roll on 29-inch wheels. Its story connects early big-wheel mountain biking with gravel riding, making it particularly interesting to cyclists choosing between singletrack adventures and longer journeys on unpaved roads.

A business built around bigger wheels

According to Niner’s manufacturer history, the concept took shape at Interbike in 2004, followed by a launch at California’s 2005 Sea Otter Classic. The opening bike was the ONE 9, a rigid, singlespeed machine built from scandium alloy. That stripped-back starting point helps explain the brand: its original proposition centered on wheel size rather than an extensive catalogue covering every cycling discipline.

Niner subsequently added geared hardtails and developed CVA, short for Constantly Varying Arc, as a suspension platform specifically designed around 29-inch wheels. Its first full-suspension mountain bike was the R.I.P. 9. The manufacturer dates its move into gravel to 2012 with the RLT 9 family, extending its dirt-riding focus beyond mountain-bike trails.

Different routes through the dirt

Match the model family to your terrain

The manufacturer’s mountain-bike guide distinguishes several clear purposes. AIR 9 models are hardtails, while the RKT 9 RDO targets cross-country racing with 100mm of rear suspension. The JET 9 RDO combines cross-country efficiency with 120mm of rear travel, and the RIP 9 RDO 29 moves further toward trail riding with 140mm. These distinctions offer a useful starting point: compare the intended terrain and suspension demands before comparing component packages.

For rides linking pavement, gravel and luggage-carrying adventures, the RLT family deserves a separate look. Niner’s 2024 rider catalogue describes aluminum, steel and carbon RLT options, with mounting provisions for equipment such as bottles, bags, racks and fenders. For a prospective owner, those provisions make luggage compatibility a concrete comparison point alongside frame material and fit.

Understand the brand’s current position

In May 2026, Bicycle Retailer reported that owner United Wheels was pausing Niner’s product development and marketing, while continuing warranty and customer support. That makes model-year identification, dealer availability and replacement-part confirmation especially useful when considering remaining stock or a used bicycle.

Browse the Niner brand page with that context in mind. Its strongest thread is a sustained interest in riding dirt, expressed through distinctly different mountain and gravel platforms.