Can anyone identify these brakes?

[merlinmanson]

http://www.ebay.com/itm/RARE-90S-ONZA-G ... 58ad4b6aa2


I though they were mag lites - but maglites don't have recessed cavities.

 

[sho220]

They look just like the brakes on my Grove, which are Gravity Research viewtopic.php?f=6&t=290348

Article here http://fcdn.mtbr.com/attachments/vintag ... o-grav.jpg

 

[ferrus]

Re:

I think they're early version Gravity Research Rim Crushers. Sweet.

 

[sancho]

The arms look like they're magnesium.

 

[sho220]

The arms look like they're magnesium.

They're salt water cured 7075 T6 aluminum...