Stans FLOW EX3 27.5 Rear Wheel, 12×148, Shimano MS

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.

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Description

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
    • Bead Blasted “BBQ” finish for added durability
    • Tubeless ready with rim tape and valves installed
    • Available for SRAM XD and Shimano HG cassettes
    • Available for all current axle systems, including Cannondale Lefty SL, Lefty Supermax, SRAM Predictive Steering, Boost 110mm, Boost 148mm, 150mm, and Super Boost Plus 157mm spacing

Product Specs:

Rim Internal Width:29.0mm          Rim Weight:580g (27.5″) / 618g (29″)
Rim External Width:32.6mm Wheelset Weight:2018g (27.5″) / 2115g (29″)
Rim Depth:17.9mm Front Wheel Weight:932g (27.5″) / 981g (29″)
Spokes:Sapim D-Light Black 2.0/1.65/2.0mm Rear Wheel Weight:1085g (27.5″) / 1134g (29″)
Nipples:Sapim Secure Lock Alloy Black ERD:564mm (27.5″) / 602mm (29″)
Hub:Neo OS with Durasync ETRTO:584×29.0 (27.5″) / 622×29.0 (29″)
Hole Count:32-hole ISO:27.5″x32.6mm / 29″x32.6mm
Rim Material:6069 Aluminum Alloy Tape:30mm
Rim Color:Black Bead Blasted Finish (BBQ) Max Spoke Tension:125kgf (1225N)
Hub Color:Black Max Pressure with 2.4″ Tire:37psi
Brakes:Disc Only Max Pressure with 2.8″ Tire:26psi
Valve:35mm Presta Max Rider Weight:250lbs (113 kilo)

Stan's Technology

WideRight

WideRight

Our WideRight profile increases tire volume without negatively affecting tread shape or sidewall height.
Learn More

BST

Bead Socket Technology

BST rims are designed to match the shape of your tire’s bead to create a safer and more secure air tight interface.
Learn More

NEO

Neo

Our race-proven Neo hubs with Durasync & Neo Ultimate hubs with Speedsync offer the durability and faster engagement to handle today’s most difficult trails and more aggressive riding style.
Learn More

More Product Info

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.

The Flow EX3 rim’s Tiebeam inner bridge lets it withstand impacts that would deform most rims to the point of air loss and structural failure. Even if you use a tire insert, huge impacts can cause the sidewall of most rims to fold, causing air loss and eventual failure. But the Tiebeam brace and patented low sidewalls of the Flow EX3 resist this folding, maintaining air pressure and structural integrity better than any other rim. Combined with the added durability of 6069 aluminum and WideRight 29mm inner width optimized for 2.35” to 2.8” tires, the Flow EX3 is the evolution of the Flow line for aggressive riding. Every World Cup DH and Enduro World Series win, every hour of testing, riding, and improving, it’s all here in the Flow EX3.

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