CST 20×3.50/4.00 inner tube for ENGWE M1

CST 20×3.50/4.00 inner tube for ENGWE M1

CST inner tube for ENGWE M1 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.