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PostPosted: Thu Jun 04, 2020 12:35 am 
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Joined: Sat May 23, 2015 8:27 pm
Posts: 349
160mm here


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 Post subject: Re:
PostPosted: Thu Jun 04, 2020 8:42 am 
retrobike rider / Gold Trader
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Joined: Thu Jan 07, 2010 12:23 pm
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Location: Cumbria
I was thinking 160mm or 180mm. Happy with either.


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 Post subject: Re: Re:
PostPosted: Thu Jun 04, 2020 9:06 am 
Gold Trader / MacRetro rider
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Joined: Thu May 06, 2010 10:05 pm
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Location: Scotland
EarlofBarnet wrote:
I was thinking 160mm or 180mm. Happy with either.


Same here, and put me down for 1


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PostPosted: Thu Jun 04, 2020 10:16 am 
retrobike rider
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Joined: Thu Apr 17, 2008 1:24 am
Posts: 7843
Location: Manchester
Out all day on the bike, I’ll see if I’ve got a 160mm disc when I’m home.


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PostPosted: Fri Jun 05, 2020 1:05 am 
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Joined: Wed Jun 10, 2015 9:42 am
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Location: London
Howdy, a couple of queries:

- are these still at £25 a pop, or still dependant on order numbers fulfilled?
- re: older dual mount Z1s. Are there any plans to make a mirrored adapter for a right side fitting?


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PostPosted: Fri Jun 05, 2020 9:54 pm 
retrobike rider
retrobike rider

Joined: Thu Apr 17, 2008 1:24 am
Posts: 7843
Location: Manchester
Second prototype - 3D Printed.
Disc is a 160mm, as it is an Avid caliper it needs the cup and cone washers. Other calipers shouldn't need this.
I will also make an add-on part that will let you use a 180mm or 185mm disc. Are 180mm and 185mm still in use?
They will be made out of laser cut stainless steel, aluminium doesn't have as good a finish for laser cutting (nor water jet cutting).
Edge finish will be similar or maybe a bit worse than the part in the picture below.
The offset and the drilling and taping of the four holes will need to be done on a milling machine.
I may get them chemical blacked, it will give a dull black finish to them, what do you think?



Image

Image


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PostPosted: Fri Jun 05, 2020 10:05 pm 
retrobike rider
retrobike rider

Joined: Thu Apr 17, 2008 1:24 am
Posts: 7843
Location: Manchester
Tested the plastic one for an hour today, constant braking from speed, down the steps of doom and several hundred endo's and its fine!




Image


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PostPosted: Fri Jun 05, 2020 10:12 pm 
Gold Trader / PoTM Winner / RB Rider
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Quality workmanship and as for pulling endo’s on a plastic pre-pro brake adaptor takes the biscuit


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PostPosted: Fri Jun 05, 2020 10:23 pm 
retrobike rider
retrobike rider

Joined: Thu Apr 17, 2008 1:24 am
Posts: 7843
Location: Manchester
romanrinos wrote:
Howdy, a couple of queries:

- are these still at £25 a pop, or still dependant on order numbers fulfilled?
- re: older dual mount Z1s. Are there any plans to make a mirrored adapter for a right side fitting?



No idea on price, hopefully similar. I'm not holding anyone to anything.
The parts I get laser cut can be machined to fit either side. I don´t know how the caliper would fits on the other side, is there a specific caliper they made for it?


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PostPosted: Fri Jun 05, 2020 11:19 pm 
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Joined: Wed Jun 10, 2015 9:42 am
Posts: 816
Location: London
Top drawer work! I quite like the green too! :) The blackened finish I reckon would look smart and give it a professional finish.

Re: otherside for the olderside of the twin tab, I saw another post on here with someone asking this, but unless i'm missing something, I also dont understand why you couldn't just use the same fitting and bolt from the other side?

Formula still make 80mm rotors as i have two here (not sure if 85s are common with other manufacturers?) so would be good to cater for both sizes if possible?


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