This is a single 700x35/43C bicycle inner tube with a Schrader valve. Compatible with all Biktrix electric bikes equipped with 700x35/43C eBike tires. Have a spare handy and ready to replace your existing inner tube as it wears or fails.
|Swift Step-Thru 2 Large|
|Swift Step-Thru 1|
|Swift Step-Thru 2 Small|
|Swift Step-Over 1/2|
|Swift Lite (All Sizes and Versions)|
|Other Biktrix eBikes with 700x35 to 700x43 tires|