Tires go flat soon after inflation or valve issues
Inspect for punctures or rim tape displacement. Use valve extender for inflation. Check/prep rim strip as needed.
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Rear tire repeatedly goes flat, especially soon after new bike assembly or on rough terrain
Check for embedded debris, rim strip defects, or improper assembly. Use valve extender. Replace tube if punctured. Contact ENVO if tube seems defective out of box.Tire valve slowly loses air (crooked/loose)
Deflate, reseat tube so valve is straight. If stem is defective, replacement tube required. Warranty doesn’t cover unless new bike/manufacturer defect.Flats soon after use or trouble removing/installing tube
Inspect for rim strip misalignment or tire bead issues. Use proper tire lever technique; if tube seems defective out of box, contact ENVO with photos for replacement.Spoke Tension for D50/ST50 tires
We recommend 100 kgf tension for the spokes on both tyres of the D50 and ST50.Tire goes flat shortly after assembly
Inspect tube for puncture before riding. Use tire levers to check for sharp rim tape or embedded debris. Replace tube if punctured. Normal flats not covered by warranty unless assembly defect.