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 something to handle the increased weight and added speed of an E-bike or just want the most durable rim possible this is it. 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.

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

Built to handle the added speeds and increased forces of today’s longer travel trail enduro DH and E-bikes

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

6069 aluminum alloy is stronger than conventional 6061 alloys

Bead Blasted “BBQ” finish for added durability

Brake Compatibility	Disc Only
Rim Width (External)	32.6
Rim Width (Internal)	29
Brake Track	None
Manufacturer Spec ERD (mm)	564
Valve	Presta
Valve Length	Short 32-40mm
Color	Black
Weight	580
Wheel Size	27.5"
Designed for ebike	Yes
Defined Color	Gray
ISO Diameter	584 / 650b / 27.5"
Eyelets	None
Hub Drilling	32
Rim Joint	Welded
Rim Depth (mm)	17.9
Rim Material	Alloy
Tire Type	Tubeless Ready
Rim Center Offset (mm)	0