Calling all Bontrager OR and Racelite owners - query: spec of rear brake bosses....

[2manyoranges]

I don’t have the frame here and I am trying to establish the spec of the rear brake bosses on a 1991 Cannery frame - Bontrager Race OR. Are they M6 like the Mag21 bosses or just standard M8? It would be really good if anyone knows...

 

[slackboy]

https://www.retrobike.co.uk/threads/canti-brake-bosses-missing-what-do-i-need.427752/

 

[slackboy]

The rear studs are a sleeve with extra long canti bolts that go straight into frame.

 

[slackboy]

Here's some pics

The brake arm fits over the sleeve and then the bolt goes directly into the brake boss.