Search Results for "SPR-B1311FW"

13 Tooth Freewheel Sprocket with 11mm Bore Adapter for 1/2"x 1/8" and 1/2" x 3/32" Bicycle Chain Motor sprocket for our 250-450 Watt gear motors.Right hand thread 13 tooth freewheel.Motor shaft must rotate clockwise to use this sprocket.Includes chromoly steel freewheel sprocket and zinc plated steel adapter.Freewheel is threaded onto the adapter and is replaceable.2-3/8" (57mm) OD, 11mm ID, 4mm wide x 2mm deep keyway.Works with both 1/2"x1/8" (#410) and 1/2"x3/32" (#408) bicycle chain so it...

Warning: This is not a bolt-and-go electric bicycle kit which only requires a few hand tools to install. This is a DIY electric bicycle kit which requires custom installation and mounting of all the parts. All of the parts in this kit are plug-and-play with each other so there is no electrical work to do when installing this kit.  The push button switch on the THR-132 throttle turns the power on and off.