Originally Posted by
invisiblehand
Cool. I take it that you can fit 3 cogs on the 3 speed hub. Are they 10 or 11 speed cogs?
Originally Posted by
fietsbob
My old Cyclo 3 cog cluster , Made in the 50's in England Used an 1/8" Chain ..
Brompton 2 & 6 speed use the 9 spline Driver of a Shimano BMX devised standard .. equal splines
this looks like its got the wide narrow splines of regular Hyper glide cassette driver s
https://secure.flickr.com/photos/elieser74/13990802776/
S-A S3X threads the spline tips .. so its a regular English freewheel /adjustable cup /bb thread. 1.37"
from the guy who owns the canada bling brompton:
"use 10 speed cassette 17, 15, 12 with spacer and modify shifter"
and if you want to spend 400usd on a titanium version, there's
this.
http://www.bike48.com/product/2-6-sp...ssette-system/