
Stan's NoTubes Flow MK4 Alloy Wheelset
✓ In stock · Ships United States, Europe & Worldwide
Stan's NoTubes built its name on tubeless rim technology, and the Flow MK4 carries that heritage into a wide, trail-oriented alloy wheelset designed to run tubeless from the start. It's a genuine alternative to carbon for riders who want the durability and lower cost of alloy without sacrificing trail capability — alloy wheels also tend to handle a hard trailside impact more forgivingly than carbon, which matters for aggressive trail and enduro riding. It pairs naturally with our electric mountain bike lineup. Hub and axle spacing vary by frame, so our team confirms exact compatibility for your specific bike by email before any order is finalized. At $650, it ships across the United States, to Europe, and worldwide, with a 10% discount for paying in BTC or USDT. Buy it alongside any bike in the same order and that bike gets an automatic 5% bundle discount, part of Umbra Electric's gear-plus-bike promotion. Email is our primary ordering channel, with WhatsApp as a secondary option, and nothing ships until fitment and stock are confirmed.
Ordering by email is our primary, recommended method — we confirm stock, final pricing and shipping before any payment. Prefer chat? Message us on WhatsApp.
Specifications
| Brand | Stan's NoTubes |
| Category | Gear & Accessories |
| Model | Stan's NoTubes Flow MK4 Alloy Wheelset |
| Condition | New |
| Drivetrain | Electric |
| Availability | In stock — ships worldwide |
| Warranty | Manufacturer warranty |
| Shipping | Free over $2,000 |
Specifications are indicative and provided in good faith; they may vary by production batch and configuration. Confirm final specs, pricing and availability with Umbra Electric before ordering.
Related models
Frequently asked questions
Yes, it's built to run tubeless from the start, carrying Stan's NoTubes' tubeless rim heritage into a trail-oriented alloy wheelset.
Alloy wheels like the Flow MK4 cost less than carbon and tend to handle a hard trailside impact more forgivingly, which matters for aggressive trail and enduro riding.
Hub and axle spacing vary by frame, so our team confirms exact compatibility for your specific bike by email before any order is finalized.
It's priced at $650 through Umbra Electric. Paying with BTC or USDT takes 10% off the total.
Yes, we ship across the United States, to Europe, and worldwide. Orders over $2,000 ship free; orders under that carry a flat $248 shipping charge.



