Wavey discs

Braking issues
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kwackman12
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Wavey discs

Post by kwackman12 »

Hi all havent been on here for a while but I thought i'd let you know about this brake company that supplied the discs for my & my daugters race bike's this year http://blackshadow-uk.com/default.aspx we have used them for half the season now & they have been fantastic. they are about half the price of the originals are very light & they are made in the UK =D> . If you need a set give them a ring & ask to speak to Pete, could you also mention that I "Gary Jarman" gave you his no as he's been very helpfull to us this year.

Hope everyone is doing well

Gary
KR1 race bike
ZXR 400 Race Bike
Aprilia RS250
Luders
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Post by Luders »

Thanks Gary, I'll give him a call today and order a set.
mj43
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Post by mj43 »

Been in contact with them. I must say Peter Roberts was very helpful but unfortunately they don't do discs for the KR-1.

I am now running KR-1 discs as they are almost 500g lighter each than the KR-1S discs. Probably about 750g lighter than ZXR400 discs. That is 1kG less not to be sniffed at.

Why? reduced unsprung weight, less gyroscopic force as they are lighter and smaller diameter - 280mm versus the KR-1S at 300mm and ZXR400 at 310mm.

Mass is bad, rotating mass is double bad :D
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