SOHC.co.uk Forums > CB350/400
Front Brake rotor
Mikep328:
Last year I posted a thread re my efforts to improve my '76 400's front brake from useless (rear had more stopping power) to "good." I was pleased with the results and have been happy with the brake performance. No, it won't do stoppies! ;)
Recently a friend (in the US) has suggested that for even better brake performance, a "modern" disc rotor would bring greater improvement. He does a lot of restoring and opines that current brake rotors have a better coefficient of friction than '70's rotors and thus, better feel and stopping power. This is due to improvements in the rotor material.
As I have stated, my CB400s brakes are good for normal use with no need for "advanced planning" for braking. OTOH, they do not have the feel/grab of the brakes of, say, the current CB500 I have rented/been riding for a week on the Isle of Man (for the manx GP).
So, based on his suggestion, I am ordering the DSS rotor! It's a rather expensive "experiment" that could end up improving nothing. If that's the case, he won't hear the end of it! I have three different sets of pads to try.
I'll report the results here!
Johnwebley:
What material is the DSS rotor made of??
Sent from my SM-A546E using Tapatalk
AshimotoK0:
I seem to remember that the 1st production British bikes with disc brakes fitted had cast iron rotors. Think Honda's were stainless steel...unsure what grade of SS though.
Bryanj:
Hondas are stainless and the Triumph discs were chromed cast iron.
I fitted a cast iron disc to my 500 back in 76 and found dry weather braking no different but wet weather so good it locked and threw my off, i put the stainless back on
Laverda Dave:
My 1976 CR750 Honda Rickman has cast iron rotors with Lockheed calipers, amazing stopping power but they do rust at the slightest hint of moisture. Same applies to my 1982 Jota, cast iron drilled rotors with Brembo brakes, very impressive braking but again, will rust very easily and will actually seize the disc to the brake pads!
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