CST 20×3.50/4.00 inner tube for Fafrees FF20 Polar
CST 20×3.50/4.00 inner tube for Fafrees FF20 Polar
CST inner tube for Fafrees FF20 Polar with factory 20 × 4.0-inch tires and a rim for a Schrader valve. Made from butyl rubber, it has a straight Schrader valve measuring approximately 44.5 mm in the photo.
Features and dimensions
- Size marking: 20 × 3.50/4.00.
- Straight Schrader valve, approximately 44.5 mm.
- Material: butyl rubber.
- One inner tube supplied; tire not included.
Fitment and installation
Check the fitted tire's marking and valve hole, especially if the wheels have been modified. Before fitting, inspect the tire interior and rim tape and remove the cause of the puncture. Set pressure according to the tire and rim markings.
Spare parts for Fafrees
-
CST 20×3.50/4.00 inner tube for Fafrees F20 Rover
Regular price 19,90 EURSale price 19,90 EUR Regular priceUnit price per -
CST 20×3.50/4.00 inner tube for Fafrees F20 X-Max
Regular price 19,90 EURSale price 19,90 EUR Regular priceUnit price per -
EXCEL 20 × 3.0 A/V Inner Tube for Fafrees F20 – Schrader Valve
Regular price 19,90 EURSale price 19,90 EUR Regular priceUnit price per -
EXCEL 20 × 3.0 A/V Inner Tube for Fafrees F20 Pro – Schrader Valve
Regular price 19,90 EURSale price 19,90 EUR Regular priceUnit price per -
EXCEL 20 × 3.0 A/V Inner Tube for Fafrees F20+ – Schrader Valve
Regular price 19,90 EURSale price 19,90 EUR Regular priceUnit price per -
EXCEL 20 × 3.0 A/V Inner Tube for Fafrees F20+ Pro – Schrader Valve
Regular price 19,90 EURSale price 19,90 EUR Regular priceUnit price per -
EXCEL Inner Tube 20 × 3.0 A/V for Fafrees FF20 CUV – Schrader Valve
Regular price 19,90 EURSale price 19,90 EUR Regular priceUnit price per -
EXCEL Inner Tube 20 × 3.0 A/V for Fafrees F20 Mate – Schrader Valve
Regular price 19,90 EURSale price 19,90 EUR Regular priceUnit price per -
EXCEL Inner Tube 20 × 3.0 A/V for Fafrees F20 Mate HS – Schrader Valve
Regular price 19,90 EURSale price 19,90 EUR Regular priceUnit price per -
ULIP 20×4.0 inner tube for Fafrees FF20 Polar
Regular price 19,90 EURSale price 19,90 EUR Regular priceUnit price per
Why choose EVOLT?
Tržaška cesta 222, 1000 Ljubljana, Slovenia
Visit our 200 m² showroom in Vič, Ljubljana, where sales, servicing and spare parts come together under one roof.
See and try products in person, with expert advice, servicing in Slovenia and spare-parts support after your purchase.
MON–FRI: 9:00–19:00
SAT: 10:00–16:00
Spare parts and accessories
In stock in Ljubljana
EVOLT supplies spare parts for electric scooters, electric bikes and other electric vehicles.
Explore components stocked in Slovenia, with delivery estimates based on the product and destination.
We support riders, repair centres, retailers and business partners through retail and wholesale supply.
Blog posts
Stay up to date with the latest in electric micromobility.
-
Operation Calypso: The €700M E-Scooter Scam That Shook Europe
A major investigation by the European Public Prosecutor’s Office (EPPO)...2 min read -
A New Era of Micromobility: The Elite VSETT and DUALTRON 2025 Collection Has Arrived
A New Era of Micromobility: The Elite VSETT and DUALTRON...4 min read -
EVOLT x EKO DRIVE: Powering the Future of Electro-Micromobility
Starting from August 1st, 2025, EVOLT d.o.o. is officially joining...2 min read -
How Chinese Sellers Smuggle E‑Scooters and E‑Bikes into the EU
European authorities are cracking down on a wave of imported...13 min read -
The Pitfalls of Buying E-Scooters and E-Bikes from Online Marketplaces
This article explains these risks in detail and strongly recommends...7 min read -
Electric Vehicles and the Environment: Are They Really Eco-Friendly?
Electric vehicles (EVs) promise cleaner transport, but how green are...2 min read -
The Future of Urban Mobility: Why Europe Is Switching to E-Mobility
Europe’s big cities are betting on electric mobility to hit...3 min read -
Navigating EU Roads with Your E-Scooter or Bike: A Guide to Local Laws
Welcome to eVolt.eu! As you explore our range of electric...7 min read
