Stan’s NoTubes Flow S2 Rim

Born from the legendary Flow series that has dominated World Cup Downhill and Enduro World Series races, the Flow S2 Rim carries forward the same winning DNA—refined for everyday riders who demand durability, tubeless reliability, and superior control.

Engineered with Stan’s patented Bead Socket Technology (BST), the Flow S2 ensures easy tubeless setup, fast inflation, and the most secure tubeless seal on the market. Its reinforced, eyeletted spoke bed and sleeved 6061 aluminum construction deliver exceptional strength without unnecessary weight, while the 30mm internal width provides the perfect profile for 2.3–2.6” tires—maximizing traction, stability, and cornering precision.

Whether you're attacking technical descents, flowing through singletrack, or charging enduro stages, the Flow S2 is the rim built to take it all—reliably and relentlessly.

Key Features

• Optimized 30mm internal width for ideal tire shape, traction, and handling with 2.3–2.6” tires

• 6061 aluminum construction with sleeved joint for strength and long-lasting performance

• Stainless steel spoke eyelets enhance durability and resistance to stress

• Patented Bead Socket Technology (BST) ensures effortless tubeless setup and dependable sealing

• Low-profile design improves ride quality and helps prevent pinch flats