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CST 20×3.50/4.00 inner tube for ENGWE L20 Boost

Store information
Viewing / personal pickup is available Monday to Saturday.
Opening hours:Mon–Fri: 9:00–19:00
Sat: 10:00–16:00
Sun & public holidays: CLOSED
Email: info@evolt.si
Regular price 19,90 €
Sale price 19,90 € Regular price

Estimated delivery

Contact us to confirm delivery for this variant.


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CST 20×3.50/4.00 inner tube for ENGWE L20 Boost

CST inner tube for ENGWE L20 Boost with factory 20 × 4.0-inch tires and an automotive valve rim. It is made of butyl rubber, and its straight Schrader valve is approximately 44.5 mm long in the photo.

Features and dimensions

  • Size marking: 20 × 3.50/4.00.
  • Straight Schrader automotive valve, approximately 44.5 mm.
  • Material: butyl rubber.
  • The package contains one inner tube; tire is not included.

Fitment and installation

Check the tire marking and valve hole, especially if the wheels have been modified. Inspect the inside of the tire and rim tape before installation and remove the cause of the puncture. Adjust the pressure according to the markings on the tire and rim.

Spare parts for ENGWE

Why choose EVOLT?

Tržaška cesta 222, 1000 Ljubljana

Our showroom in Vič, Ljubljana, offers 200 m² of space, bringing sales, servicing and spare parts together in one place.

You can view and try out products in person, and after purchase we provide local servicing, expert support and prompt spare-parts delivery.

MON–FRI: 9:00–19:00
SAT: 10:00–16:00

1,000+ spare parts

In stock in Ljubljana

EVOLT is a specialized provider of spare parts for electric scooters, e-bikes and other electric vehicles.

Discover a wide range of quality spare parts and components in stock in Slovenia with fast delivery in 1–2 working days.

We offer reliable supply for both end customers and business partners, workshops and retailers – with options for retail and wholesale.

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