what is this?
#1
Thread Starter
Senior Member

Joined: May 2008
Posts: 955
Likes: 53
From: Toronto, Canada
Bikes: (shortlist) Cyclops, Marinoni, Mariposa, Air Firday, Pocket Rocket Pro, NWT, SLX Fuso, Claude Pottie (France) x3, Masi Team 3v, Lemond Zurich, Bianchi OS
what is this?
I was cleaning up my bike cave and came across this little bit
but I have no idea if it is even a bike part it what it is for.
any ideas?

but I have no idea if it is even a bike part it what it is for.
any ideas?

#4
Senior Member




Joined: Jul 2015
Posts: 7,361
Likes: 3,217
From: NW Oregon
Bikes: 1982 Trek 930R Custom, '91 Diamondback Ascent w/ XT, XTR updates, Fuji Team Pro CF road flyer, Specialized Sirrus Gravel Convert, '09 Comencal Meta 5.5 XC, '02 Marin MBX500, '84 Gitane Criterium bike
it's a disc brake caliper mounting adapter used when increasing disc diameter by 20mm







