Stans NoTubes Flow EX3 Wheels, 27.5"

Product Code 20230364
Other products by NoTubes
  Options Price RRP In
15x110mm/Front / N/A / Black $449.90 $499.90
12x148mm/Rear / Shimano HG / Black $539.90 $599.90
12x148mm/Rear / SRAM XD / Black $539.90 $599.90
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  • With Supplier: Expect delivery in 4-7 days.
From $449.90
RRP $499.90 | Save 10%


The Flow EX3 is the most reliable tubeless rim made for handling faster speeds on the most demanding trails. If you’re looking for the ultimate rim for enduro and DH racing, or just the most durable rim possible, this is the one. The Flow EX3 combines the 29mm internal width and durable 6069 aluminum construction of the Flow MK3 with the incredibly strong triple cavity design of the classic Flow EX rim. The result is a new rim shape that perfectly balances radial compliance with lateral stiffness and sets an entirely new benchmark for durability and impact resistance.

The Flow EX3 wheelset includes the Neo OS front and rear hubs and Sapim’s high-quality D-Light spokes and Secure Lock alloy nipples. D-Light spokes help keep rotating mass to a minimum while still offering exceptional strength, and Secure Lock nipples use a mechanical lock to resist loosening. The Neo OS front hub features larger bearings than conventional Neo hubs, while still being compatible with both 20mm and 15mm forks. The Neo OS rear hub rolls on a cromoly axle for increased durability and includes a Durasync freehub with simultaneous 6-pawl engagement.

Key Features

  • Patented low-profile tubeless rim design balances lateral stiffness with radial compliance
  • Designed, tested, and raced to victories on the World Cup DH and Enduro World Series circuits
  • Tiebeam triple-cavity rim design resists damage and prevents air loss under impacts
  • 29mm internal width optimized for 2.35” to 2.8” Trail, All-mountain, and DH tires
  • Most trusted tubeless system for easy setup and low maintenance
  • Neo OS hubs designed to handle the added loads and durability needs of Enduro and DH racing
  • Sapim D-Light spokes in easily replaced, standard J-bend lengths and Secure Lock alloy nipples
  • 6069 aluminum alloy is stronger than conventional 6061 alloys
  • Diameter: 27.5"
  • Rim Depth: 17.9mm
  • Inner Rim Width: 29mm
  • Hole Count: 32h/32h
  • Hub: Stan's Notubes Neo OS
  • Spokes: Sapim D-light
  • Nipples: Sapim Secure Lock Alloy
  • Drivetrain: HG, Microspline, XD
  • Recommended Tire Width: 2.35 - 2.8"
  • Weight: 2018g

What’s Included: Flow EX3 wheels include pre-installed tape for tubeless use and presta valves. 15x110mm OS front wheels include an additional set of 20mm OS boost end caps.