Look no further than the Flow EX3 rim for an alloy rim that can withstand the toughest abuse in downhill and EWS racing. Paired with Hope's Pro 5 hubs for unrivalled performance and longeivity, you'll have a wheelset that keeps coming back for more and will dare you to discover your limits.
Each and every WBWO wheelset is individually crafted with precision in our purpose-built workshop right here in Rotorua, New Zealand, by specialist mechanics who have worked at the highest professional levels of the sport. Our wheels have proven themselves on home soil and internationally under the most demanding elite riders. We know that after your first spin on yours you won't want to ride anything else.
STAN'S FLOW EX3
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. Featuring a 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
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
Bead Blasted “BBQ” finish for added durability


HOPE PRO 5 HUBS
An incredibly versatile and easily serviceable hub with a proven reputation for bullet-proof quality, time and time again.

10, 11 and 12 speed compatible
Sealed stainless steel cartridge bearings throughout
Hub shell machined from a single forged aluminium billet
Standard 6 bolt disc fitting
6 Pawl offset ratchet system with 108 points of engagement
Larger spoke flange to enable stiffer wheel builds
Unsurpassed reliability


SPECIFICATIONS
DIAMETER: 27.5" Rear, 29" Front
RIM DEPTH: 17.9mm
INNER RIM WIDTH: 29mm
HOLE COUNT: 32h/32h
HUB: Hope Pro 5
SPOKES: Sapim Race DB
NIPPLES: Brass
DRIVETRAIN: XD, HG, MS
RECOMMENDED TIRE WIDTH: 2.35" - 2.8"