Re: [Geared_hub_bikes] Re: Two Sturmeys in drive train?
Of course, what was I (not) thinking!
> --- On Mon, 1/5/09, Tim Hayden <timothy_hayden@...> wrote:
> If both sprockets on hub driver then hub is just an idler pulley.
--- On Mon, 1/5/09, Tim Hayden <timothy_hayden@...> wrote:
From: Tim Hayden <timothy_hayden@...>
Subject: [Geared_hub_bikes] Re: Two Sturmeys in drive train?
Date: Monday, January 5, 2009, 12:13 PM
I was thinking a cog like
http://www.shopwiki .com/detail/ ?q=COG&s= 3885&o=104123231 5&d=Shimano+ Nexus/Alfine+ 20+tooth+ cog,+silver
and cut the center to fit the hub flange. Then 9 grade5 #8 bolts to
The input from crankset goes to regular SA sprocket, which turns hub
with output sprocket at different speeds depending on gear selected.
If both sprockets on hub driver then hub is just an idler pulley.
- --- In Geared_hub_bikes@yahoogroups.com, "sam lingo"
> I saw this done on a Columbia cruzer.They took a small fork ,bent the
> legs out to hold the S/A hub and bolted it to the down tube.Bolted a
> cog to the S/A flange--run a chain from the cranks to the regular cog
> on the hub and another chain from the cog on the flange to the rear
> hub.I bet it was a bear to ride.
It was a bear to ride. I never went far. It was given to me by a friend
who built it 25-30 years ago just to see if he could do it.
> TheLooks like they're out of stock right now @ BikeTools:
> later models with differentials placed
> the 3 speed hub in the center
> of the bike and used that extra welded
> on cog. But these hubs are
> quite expensive if you can find them.
> Last one I saw for sale was