Some RadExpand 5 ebikes within the following serial number ranges may require additional tightening to properly secure the stem faceplate bolts and the stem riser clamp bolt.
You can find your serial number at the bottom of your bike's headtube as shown in the illustration.
If you have a RadExpand ebike in one of these serial number ranges, please download and read the instructions in the PDF linked below, which you can follow (or share with a local, professional, reputable bike mechanic) to test and properly adjust your ebike. The instructions are part of the "RadExpand 5 Owner's Manual Update." We recommend downloading the update along with the latest version of your Owner's Manual.
- U.S. instructions: Manual update + latest version of the RadExpand 5 Owner's Manual
- Canada instructions: Manual update + latest version of the RadExpand 5 Owner's Manual
- RadExpand 5 assembly video
- RadExpand 5 Owner's Manual Update (manual not included)