

Free local shipping on orders SGD 80 and above
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Tubeless setups are only as good as their weakest link, and for a lot of riders running tire inserts, that weak link has been the valve. WTB's TCS Max-Flow AL Valves fix that with a castellated base that channels air in multiple directions, so even when a foam insert is pressed hard against the valve, airflow stays wide open. The result is faster, easier tire seating and none of the frustrating dead-end pumping sessions.
The bore diameter gets a serious upgrade here too, supporting an 84% increase in air capacity over standard valves and dramatically cutting the chances of sealant clogging the passage. The lightweight aluminum construction keeps rotational weight down, and the anodized finish holds up against the ammonia found in most sealants. A universal rubber grommet makes these compatible with all rim widths and offsets, so they play nice with whatever wheels are in the stable.
Small details matter, and WTB nailed them. The squared, knurled nut tightens down by hand without tools, the integrated o-ring protects rim beds from scratches, and the aluminum cap doubles as a valve core remover so there's no hunting around for pliers in the middle of a setup. Universal Presta valve core means replacements are easy to find anywhere.
Tired of fighting your pump every time a tire insert blocks airflow to a standard valve? The Max-Flow's castellated base lets air escape from the sides, so your tubeless setup seats quickly and cleanly every single time. Whether you're a foamy-running enduro rider or just someone who wants a reliable, no-faff tubeless system, these valves make the whole process less of a headache.
Our returns policy lasts 30 days. If more than 30 days have passed since your purchase, we're unable to offer a refund or exchange. Apparel and shoes are not eligible for return once they have been shipped out.
We accept returns if the item is eligible for a warranty claim or if the wrong item was shipped to you. To be eligible, your item must be unused, in the same condition you received it, and in its original packaging. A receipt or proof of purchase is required.
Please do not send your purchase back to the manufacturer. Once your return is received and inspected, we'll email you to confirm.
Only regular-priced items can be refunded. Sale items cannot be refunded.
We replace items only if they are defective or damaged. To exchange an item for the same one, email us at info@reevolution.sg and send the item to 16 Morse Road, #01-209, Singapore 099228.
You are responsible for the cost of return shipping, and shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from it. For valuable items, we recommend a trackable shipping service or shipping insurance, as we can't be responsible for returns we don't receive.
Once your return is received, inspected and approved, your refund will be processed to your credit card or original method of payment. A refund will also be issued if an item turns out to be out of stock after your order is placed. How long it takes to appear depends on your bank or card provider.
If you haven't received your refund yet:
If you've done all of this and still haven't received your refund, please get in touch.
Free standard delivery on orders SGD 80 and above within Singapore.
| Delivery option | Orders below SGD 80 | SGD 80 and above | Delivery time |
|---|---|---|---|
| In-store pickup | Free | Free | Collect in store |
| Standard delivery | SGD 5 | Free | 4–7 working days |
| Express delivery | SGD 20 | SGD 20 | Next working day |
Collect your order from our store at 16 Morse Road, #01-209, Singapore 099228.
Monday to Friday: 11.30am – 7pm
Saturday: 11.30am – 6pm
We ship overseas on request. Contact us with your address and the items you'd like, and we'll send you a shipping quote.
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