13T, 14T and 15T 3/32" Metric Freewheel: Fits the Metric Threaded Side of a Flip Flop Hub found on Geckos, Hedgehogs and Owls.
Cassette Body Type: Threaded Metric
Chain Compatibility: 1/2" x 1/8" , 3/32"
Freewheel Tool: Each freewheel uses a matching Freewheel Tool for removal. Freewheel hand tighten without requiring a tool.