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Posted
On 3/13/2023 at 11:33 AM, ChrisF said:

 

Those same questions are milling about in my head ....

 

Will have a nice chat with my LBS.

 

203 discs

4-pod calipers, think it is XT

resin pads

did go through ONE mud spot a few km earlier.  I stopped and washed the mud out of the brakes with water.

 

The trail was clearly marked as "dangerous" with the four red arrows .....  I simply have never before seen anything that LONG.  After each turn in the road it just got longer and steeper !!  Walking down (after the fall) is was difficult to keep from slipping ....

 

I regularly do the steep decent from the mast to Contermanskloof, thus comfortable in these conditions .... but this one carried on forever and then some .....

 

Bit of feedback ...

 

Visually everything checks out fine.

 

The rear brake pads show a lot of wear the distance done (previous set lasted twice as long, also Shimano resin pads).

 

Testing:

1. Around the block ... perfect

2. Couple of trail rides .... good.  Tests included a number of steep downhills, nothing nearly the lenth of those in Ashton.  I tried long slow braking ....  I tried fast, then hard braking ....  all working perfectly.

3.  And then I tested it down Odendaal ..... deliberately picked up more speed at the top, then hard braking in the top half .... started fine, then a horible sound from the rear brakes ... grinding sound.  Normal braking fine .... gain speed, then hard braking, again the grinding sound ....

 

 

Need to take out the brake pads and check the surfaces ....

 

 

PS - I will replace the pads, and probably the disc.

 

Just trying to understand the symptoms .... just wear and tear ??   

 

Did that mud at the start of the climb, and washing it off with water, contribute to this ?  (Though this was just one bad mud patch, not a long muddy ride)

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Posted (edited)

A definitive change in the seasons, this morning; for me at least. Some low lying clouds, but not low enough to makes things wet. 
C394162E-A0D4-49DF-B382-787C7CE95B2F.jpeg.2e5c2f3b83562c8bb978ee57b44869cf.jpeg

The clouds (above image) in the bottom right makes it look like fog/mist is in between the koppies and the mountain; but we don’t have mountains here in the south.
8EE8FD78-F8A1-4E77-BE57-BE4FA9087F7E.jpeg.67a6988f3a0b41b2a5923fab9eec9028.jpeg

Edited by Frosty
Posted (edited)
1 hour ago, Frosty said:

A definitive change in the seasons, this morning; for me at least. Some low lying clouds, but not low enough to makes things wet. 
C394162E-A0D4-49DF-B382-787C7CE95B2F.jpeg.2e5c2f3b83562c8bb978ee57b44869cf.jpeg

The clouds (above image) in the bottom right makes it look like fog/mist is in between the koppies and the mountain; but we don’t have mountains here in the south.
8EE8FD78-F8A1-4E77-BE57-BE4FA9087F7E.jpeg.67a6988f3a0b41b2a5923fab9eec9028.jpeg

Was very misty out this way this morning. Had to take the glasses off because they would continuously just mist up. 

7613CE56-EF9C-4AFC-9263-E2E38B642BD7.jpeg

AF807543-DE03-4312-A3BB-4C43C7062B87.jpeg

Edited by The Ouzo

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