Flow EX3 Rims

Flow EX3 Rims

Photo Credit: Laurance Crossman-Emms Rider - Rider: Dan Atherton
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priced from $115.00
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  • 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

  • 6069 aluminum alloy is stronger than conventional 6061 alloys

  • Bead Blasted “BBQ” finish for added durability

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.

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 on today’s faster and more capable bikes and E-bikes. Every World Cup DH and Enduro World Series win, every hour of testing, riding, and improving, it’s all here in the Flow EX3.

Rim Internal Width: 29.0mm            ETRTO: 584x29.0 (27.5") / 622x29.0 (29")
Rim External Width: 32.6mm   ISO: 27.5"x32.6mm / 29"x32.6mm
Rim Depth: 17.9mm   Tape: 30mm
Hole Count: 32-hole   Valve: Presta
Rim Color: Black Bead Blasted Finish (BBQ)   Max Spoke Tension: 125KgF/1225N
Material: 6069 Aluminum Alloy   Max Pressure with 2.4" Tire: 37psi
Brakes: Disc only   Max Pressure with 2.8" Tire: 26psi
ERD: 564mm (27.5") / 602mm (29")   Rim Weight: 580g (27.5") / 618g (29")
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STAN’S NOTUBES ALUMINUM RIM WARRANTY AND CRASH REPLACEMENT POLICY

2 YEAR ALUMINUM RIM WARRANTY:

All Stan’s NoTubes Aluminum rims are covered under a 2 year warranty against manufacturing defects from the original purchase date. Warranty does not cover abuse, misuse, consequential damages, normal wear and tear, damage resulting from crashes, or improper installation. Warranties only apply to the original owner. If a product is found to be defective, a free repair or replacement will be provided at the sole discretion of Stan’s NoTubes. Purchases made through unauthorized resellers such as eBay, Alibaba, Amazon or similar resale sites are not supported under our warranty policy.

ALUMINUM RIM WARRANTY PROCESS:

  1. Retain a copy of the original proof of purchase (ie. Itemized receipt or invoice)
  2. Submit your claim via an authorized Stan’s NoTubes dealer with your proof of purchase or contact us at [email protected] with a description of your issue, a photo that helps illustrate the issue, and your proof of purchase
    Note: For warranty and crash replacement inquiries outside the United States, please contact your local dealer or distributor 
  3. The dealer will contact Stan’s NoTubes or the local distributor and arrange for repair/replacement, or, if you’ve contacted us directly, we will work quickly to reply to your email with instructions
  4. If you have contacted Stan’s NoTubes directly regarding a wheelset warranty, and your approved request requires a return, Stan’s will provide you with a shipping label for return, free labor for your wheel rebuild, and return shipping  

1 YEAR ALUMINUM RIM CRASH REPLACEMENT:

Should you have the unfortunate experience of crashing and damaging your Stan’s NoTubes aluminum rims, we want nothing more than to help you get back on the bike as quickly as possible.  The Crash Replacement Policy covers the rims for a period of 1 year from the original purchase date against damage caused during normal operation of the bicycle, including racing.  Crash replacement aluminum rim pricing is 50% off the MSRP of the exact or comparable product at the time of the claim. If necessary, spokes, nipples, tape, and costs associated with any build labor performed by Stan’s NoTubes will be provided at a discount. 

ALUMINUM RIM CRASH REPLACEMENT PROCESS:

  1. Retain a copy of original proof of purchase (ie. Itemized receipt or invoice)
    Note: Reply to the registration confirmation email with a picture or scan of your receipt and we’ll keep it on file for you in the event of a future claim
  2. Submit your request via an authorized Stan’s NoTubes dealer with your proof of purchase or contact us at [email protected] with a description of your issue, a photo that helps illustrate the issue, and your proof of purchase
    Note: For warranty and crash replacement inquires outside the United States, please contact your local dealer or distributor 
  3. The dealer will contact Stan’s NoTubes or the local distributor and arrange for repair/replacement, or, if you’ve contacted us directly, we will work quickly to reply to your email with instructions
  4. If you have contacted Stan’s NoTubes directly regarding crash replacement and your request has been approved you will be charged crash replacement pricing for your product and standard return shipping fees.

ALUMINUM RIM AND WHEELSET WARRANTY AND CRASH REPLACEMENT CONDITIONS:

  1. Warranty and crash replacement are valid only for the original owner and are not transferrable.
  2. Warranty does not cover the following:
    1. Damage sustained during shipment
    2. Products on which serial numbers, production lot codes/date codes or other identifying marks have been removed
    3. Normal wear and tear, misuse, incorrect installation or improper maintenance, use of incompatible parts or components, accident or crash damage, negligence, modifications not recommended or approved by Stan’s NoTubes
    4. Labor costs for work not performed by Stan’s NoTubes
    5. Shipping costs to Stan’s NoTubes or local distributor
    6. Instances determined to be cosmetic only
    7. Any representation or warranty expressed or implied by a third party beyond the provisions of this stated policy
    8. Purchases made through unauthorized resellers such as eBay, Alibaba, Amazon or similar resale sites
  3. Crash replacement does not cover the following:
    1. Normal wear and tear expected with the use of high-quality mountain bike components
    2. Products on which the serial numbers, production lot codes or other identifying marks have been removed
    3. Misuse, incorrect installation or improper maintenance, use of incompatible parts or components, negligence, modifications not recommended or approved by Stan’s NoTubes
    4. Instances determined to be cosmetic only
    5. Shipping costs to or from Stan’s NoTubes or the local distributor
    6. Labor costs associated with removing the wheels and any associated components including but not limited to rotors, tires, cassette, computer magnets, etc from the bicycle or wheel

3 YEAR HUB WARRANTY:

All Stan’s NoTubes hubs are covered by a 3 year warranty against manufacturing defects. Warranty does not cover abuse, misuse, consequential damage resulting from lack of or improper maintenance, normal wear and tear, and improper installation. Warranties only apply to the original owner with valid sales receipt. If a product is found to be defective, a free repair or replacement will be provided at the sole discretion of Stan’s NoTubes.

Our Technology

  • WideRight

    WideRight

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

    Learn More
  • BST

    BST

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

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