Topica Loopframe_Guzzi Archive


Subject: Re: Front and rear brake interchangeability??

Author: Greg Field

Date: Nov 19, 2004, 11:21 AM

Post ID: 1717915146



The 850-T rear brake on mine gave a net gain of braking power. In fact,
it's too powerful, locking at very light pressure. This is fixable,
though, through "mid-adjusting" the linkage or putting a bow in the
long brake rod.

I would not recommend adding a T rear brake if you have drums up front
because then all your brakes are 2LS and will not hold the bike when
from rolling backward when stopped on a steep hill.

GF

On Friday, November 19, 2004, at 10:02 AM, Ron Komoroski wrote:

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Hacksaw,
To the best of my memory, I just replaced the Eldo wheel assembly w/the
850T, no other changes were necessary. I used the Eldo axle. Be aware
that
the 850T brake shoe is about half the width of the Eldo, (to make room
for
the cush drive). Guzzi used a DLS linkage on the 850T for best
efficiency,
but you end up with a net loss of rear braking force. I had trouble
with the
rear brake releasing after I made the change & have mounted an external
spring on the DLS linkage to help pull back the mass of the Eldo brake
pedal, crossover & rod.
In looking at the 850T brake on my bike, it appears that if you did
decide
to convert an Eldo front DLS brake for the rear, you could save
yourself the
hassle of welding up a custom brake arm & use the 850T DLS arm, Guzzi
part #
14639603. I say "appears" because Eldo front brake protrudes out from
the
wheel further than the 850T, & there might be clearance problems using
the
850T arm. You'd just have to try it
Ron.

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