1/2" 22 Tooth Single Speed Freewheel Sprocket Ninebot by Segway Ninebot Kids ZING E10 both axle ends are splined

both axle ends are splined for the wheel hub as well as threaded for the nut

These clamp down on any 7/8" (22

Designed specifically for compact folding bikes and touring recumbents

it doesn't matter which direction you have them facing

or diaper bags for easy transport

1/2" 22 Tooth Single Speed Freewheel Sprocket Ninebot by Segway Ninebot Kids ZING E10 both axle ends are splined1 8" 22 Tooth Single Speed Freewheel Sprocket (Sunlite) Freewheel Sprockets are single speed sprockets that continue to rotate freely once a cyclist has stopped pedaling, allowing you to coast. Note: The 1 2" chain size is often called the 1 2" x 1 8" (or sometimes simply 1 8") due to the 1 2" pitch (the gap between rollers) and 1 8" roller width.