[RBW] Thumbies vs BEs

2011-06-23 Thread MichaelH 
I am considering a switch to thumbies on our tandem.  I am finding the
BEs too slow on the tandem for the kind of rolling hills of Vt, which
require a lot of fast, double shifts to attack hills that often swing
from minus to plus 10%.  The long cables, long rear derailleur cage,
and the need to move each separately from the shifter back to the bar
before I can reach for the other shifter causes too much delay and I
end up with too much pressure to drop the chain, or I shift early and
we end up spinning wildly, or even dropping the chain all together.

Does anyone have any experience going from one to the other on a road
bike, that they can share.  I suppose the other option is to ride more
on the drops, where I can reach the shifters faster.

Michael
Westford, Vt

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Re: [RBW] Thumbies vs BEs

2011-06-23 Thread Steve Palincsar 
On Thu, 2011-06-23 at 06:20 -0700, MichaelH wrote:
 The long cables, long rear derailleur cage,
 and the need to move each separately from the shifter back to the bar
 before I can reach for the other shifter causes too much delay and I
 end up with too much pressure to drop the chain, or I shift early and
 we end up spinning wildly, or even dropping the chain all together.

I can shift left and right bar end shifters simultaneously, using both
hands, holding on to the bar ends themselves.  Are you saying you can
only shift one hand at a time?



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