This is a 7-speed freewheel with an 11-30 gear range. If you plan to install a BionX electric motor kit on your bicycle, it is necessary to use a 7-speed freewheel for a 7-speed, 14-speed, or 21-speed bike.
$39.95
View DetailsThis is a 8-speed freewheel with an 11-32 gear range. If you plan to install a BionX electric motor kit on your bicycle, it is necessary to use a 8-speed freewheel for a 8-speed, 16-speed, or 24-speed bike.
$45.00
View DetailsThis is a 9-speed freewheel with an 11-32 gear range. If you plan to install a BionX electric motor kit on your bicycle, it is necessary to use a 9-speed freewheel for a 9-speed, 18-speed, or 27-speed bike.
$49.95
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