Originally Posted by
fuzz2050
the wt5 is free only, but you can thread a freewheel on to the s3x and ride it free.
Are you saying that the cog on the S3X threads on like a regular track hub? Does it use a reverse threaded lock ring as well? The reason I ask is that I don't like the stock gearing on the BD bike and would want to change the cog size.