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The Bionx systems require a thread-on freewheel for rear wheel gearing. If
you are unsure as to what size freewheel is needed,  simply
count the number of sprockets on the rear wheel.
5 speed, 14 - 28 tooth - $25
6 speed, 14 - 28 tooth - $26
7 speed, 13 - 24 tooth - $28
8 speed, 13 - 32 tooth - $35
9 speed, 13 - 32 tooth - $45
Shipping in the continental USA - $7
See more information about
Bionx parts and components >
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| Freewheel: |
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