On Sun May 18 16:12:54 2025 AMuzi wrote:
On 5/18/2025 3:23 PM, cyclintom wrote:
After Robinson finished with the DeRosa he had taken off all of the stuff that I had put on there like SRAM chain and light disc and a Chinese cassette and replaced everything with Shimano. The difference in everything was pretty shocking. All of
this stuff added exactly 1/2 lb but the shifting was flawless and the brakes are presently as good as good rim brakes and he says that when the new shoes wear in that they will improve though presently they are good enough for me.
There was some wind today but nothing like yesterday when the bay was covered with breakers. So average speed was 11 mph. There is a lot of month left and I'm just short of a thousand miles. And I haven't been doing any long hard rides yet.
I want to do the south side of Palomarers since that steep drop down the north side will be a good place to break in the new disc shoes.
I couldn't get the shift cables with caps on to fit into the shifters so I assumed they were like Campy and the plugs were built into the levers. But no, Shimano has keyed ends and the stop the shift cable ends from fraying and the shifting fron
degrading.
Robinson also did a complete rebleed. This was easy since I had already gotten all of the air out. So he only had to bleed bottom to top. The fluid he got out was nearly black which surprises me since it was only used a couple of times.
I will say this about the DeRosa's - the steering is perfect. There are a couple of places where I have to make 180 degree turns in one bike length and while most bikes you have to be careful, there's no worry at all with the DeRosa. The next set of
tires will be 32 mm. The one thing I real,ly like z out the disc bike is the 12mm axles. This perfectly centers the wheels. And the Shamal wheels on the Time are fantastic too. when you spin the whhel against the freehub, they turn for as long as the
front wheel does.
Apparently Mr Robinson has read Shimano's service directions
and has purged the system with fresh fluid bottom to top.
As I suggested to you here more than once.
The Shimano directions say to bleed it from top to bottom. I tried and and it didn't work and so I followed your suggestion of bottom to top. Actually to clear all of the air I had to do it back and forth several times.
With all of the air gone, it didn't matter which way Robinson bled it. But I cannot understand the black fluid that exited into the cup. But that line (rear) was the original hose that came on the caliper. It was completely empty snd the original attempt
was from bottom to top which meant that it should have been a complete fill except for the air pockets in the rear chainstay. I can only imagine that there was a lot of dirt in there that took time to go into solution because the fluid was new and the
stuff exiting the hose for me was clear.
Except for your suggestion (your reference to that video) I don't think I could have gotten the rear caliper working. Oddly though, with the entire line now with clean fluid, the brakes feel firmer.
The Front Caliper was new hose and the verticle run made bleeding it work just like Shimano said work fine.
I did not know that the slot for the derailluer cables were keyed and used that special end fiting. The regular end fitting would not fit so I assumed that the shift outer worked like it does on the Campy and fit like an end piece. That was the major
change that shifting.
But none of this matters much since manual Ultegra levers are a thing of the past.
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