OBRA: OBRA Chat: question about 'cross equip...

Mike Kerkmann

2010-01-01

Why not go rohloff? Together with a schlumpf or hammerschmidt you could maybe have 28 speeds with no overlap... Run it the chain through some PVC pipes...? EBB, half moons, or sliders to tension.

Cheers, Mike

Sent from my iPod

On Jan 1, 2010, at 7:01 AM, Mike Rosenfeld wrote:

be sure to attach a handle to the back of your bike to make lifting the extra weight easier...however the possibilities of lacing that up in a carbon rim is just too good to pass up!! I say go for it.

On Thu, Dec 31, 2009 at 8:50 PM, mohair wrote:

I had stray thought that keeps bouncing around in my head. Has anyone used one of the 7-speed internal geared hubs for cyclocross. It seems that one of those and an enclosed chain system would eliminate one of the big problems of riding around in the mud.

Any experiences/thoughts??

_______________________________________________
OBRA mailing list
obra@list.obra.org
http://list.obra.org/mailman/listinfo/obra
Unsubscribe: obra-unsubscribe@list.obra.org

Mike Rosenfeld

2010-01-01

be sure to attach a handle to the back of your bike to make lifting the
extra weight easier...however the possibilities of lacing that up in a
carbon rim is just too good to pass up!! I say go for it.

On Thu, Dec 31, 2009 at 8:50 PM, mohair wrote:

>
> I had stray thought that keeps bouncing around in my head. Has anyone used
> one of the 7-speed internal geared hubs for cyclocross. It seems that one
> of those and an enclosed chain system would eliminate one of the big
> problems of riding around in the mud.
>
> Any experiences/thoughts??
>
>
> _______________________________________________
> OBRA mailing list
> obra@list.obra.org
> http://list.obra.org/mailman/listinfo/obra
> Unsubscribe: obra-unsubscribe@list.obra.org
>

Dan H

2010-01-01

I have an old steel 'cross bike set up with an 8 speed hub. Granted, it has
a dynamo front hub but even so when it is striped of the rack and fenders it
weighs over 27 pounds. I love that bike for commuting but it's a bit heavy
to race. I'm curious what the weight would be with a carbon or scandium
frame with modern, light trim. Another consideration is most modern frames
have no means of adjusting chain tension without a tensioner which of course
adds weight. If you have a tensioner, you may as well have a derailleur.
Also there is some power loss in any gear other than the "normal" position
where the cog and hub are locked up and turn at the same speed.

----- Original Message -----
From: "mohair"
To: "obra"
Sent: Thursday, December 31, 2009 8:50 PM
Subject: [OBRA Chat] question about 'cross equipment

>
> I had stray thought that keeps bouncing around in my head. Has anyone
> used one of the 7-speed internal geared hubs for cyclocross. It seems
> that one of those and an enclosed chain system would eliminate one of the
> big problems of riding around in the mud.
>
> Any experiences/thoughts??
>
>
> _______________________________________________
> OBRA mailing list
> obra@list.obra.org
> http://list.obra.org/mailman/listinfo/obra
> Unsubscribe: obra-unsubscribe@list.obra.org

mohair

2010-01-01

I had stray thought that keeps bouncing around in my head. Has anyone used one of the 7-speed internal geared hubs for cyclocross. It seems that one of those and an enclosed chain system would eliminate one of the big problems of riding around in the mud.

Any experiences/thoughts??