OK an update, I never actually got to use the 'beta version' of my CT design because the other Saturday I woke at 6:30am with an idea for a brilliant replacement! Well, I thought it was good anyway...
I was thinking about the shape of the CT & realised that I already had just what I needed - the brake block fastener from an AD990 brake...
I was thinking about the shape of the CT & realised that I already had just what I needed - the brake block fastener from an AD990 brake...
it was almost perfect for the intended purpose! all I had to do was tap a thread through the hole where the brake block post normally goes through. An M8 grub screw & locknut completed the job :-)
I also had to cut down the thread on the inside of the dropout & use a low profile nut to ensure clearance on the cassette cog. After a couple of sessions since fitting it, all seems to work fine.
lovely...
pure innovation .... where did you get the grub screws for
ReplyDeleteDad's stash, he has every screw known to mankind!
ReplyDelete