Old 08-14-16, 12:31 PM
Old fart
JohnDThompson's Avatar
Join Date: Nov 2004
Location: Appleton WI
Posts: 23,483

Bikes: Several, mostly not name brands.

Mentioned: 136 Post(s)
Tagged: 0 Thread(s)
Quoted: 2937 Post(s)
Liked 1,949 Times in 1,166 Posts
I don't think Sturmey-Archer ever offered a metric thread hub. Maillard freewheels were available in either metric or English thread. Chances are yours is English. You can test this by threading a known, English thread bottom bracket lockring onto the hub. If you can thread it on without binding, thre hub is English thread. A metric thread hub will only allow the lockring to thread on for a partial turn.

Some freewheel bodies are marked with the thread type:

Source: Sutherland's 4th Edition
JohnDThompson is offline