Introducing the Surly Moonlander, a bike designed for riders that view loose backcountry terrain, snowdrifts, and sand as opportunities rather than challenges. The Moonlander floats over obstacles that stops most bikes in their tracks because to its enormous tyre clearance and Surly's renownedly sturdy steel frame. Whether you're driving far into isolated dirt roads, exploring winter singletrack, or cruising the beach at dusk, the ride is steady, entertaining, and surprisingly agile. The Moonlander transforms the softest, craziest ground into rideable terrain, catering to adventurous riders who appreciate traction, simplicity, and dependability. Point it somewhere odd and let those big tires do what they do best.

The 2025 Surly Moonlander is built for riders who need to traverse landscapes where traditional bikes cannot go, such as rocky shorelines, sand dunes, and snow-packed trails . Its key features center on maximum traction and durability.

• Massive 6.2" Tires: The most distinctive feature is its custom-developed Surly Molenda 24 x 6.2" tires . These provide an enormous footprint for "floating" over soft surfaces at low pressures .

• Pinion Gearbox: It's Surly's first bike with a 9-speed Pinion C1.9 gearbox . This sealed unit is protected from mud and debris, requires minimal maintenance (oil change every 10,000 km), and allows for shifting without pedaling .

• Robust Steel Frame: The frame is constructed from 100% Surly Chromoly steel, known for its durability, toughness, and ability to dampen vibrations on long, rough rides .

• Versatile Tire Clearance: The frame and fork are designed to clear not only the stock 24 x 6.2" tires but also 26 x 5.1", 27.5 x 4.8", and 29 x 3" tires, offering flexibility for different riding conditions .

• Extensive Mounts: True to its adventure-ready design, the Moonlander features numerous mounting points for racks, fenders, and additional cargo cages on the fork legs, making it ideal for bikepacking expeditions .

• Rider Height Recommendation: The size Large is generally recommended for riders between 180 cm and 190 cm (approximately 5'11" to 6'3") .

Key Geometry Details (Size Large)