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I had the same problem fitting a BB7 on my Pompetamine.
Makes more sense now, re. generic adaptors. It did fit, but only just, there really wasn't much clearance. I had to trim the cable extension to almost nothing, and I couldn't use the end cable guide either, the bend was too sharp, so it was cable-tied it a bit further up the chainstay.
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Philbythesea
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and I couldn't use the end cable guide either, the bend was too sharp, so it was cable-tied it a bit further up the chainstay.
Stupid idea: Combine your chainstay end guide with the reverse of this picture (The brake arm can be refitted 60degrees forward/backwards of the normal position) So refit the brake arm into an forward position-
There could be problems with enough room... :) + cable has to pull downwards.
That setup was done, just because we could - and to see how well it
worked (which was fine). The Avid mech arm can be re-installed every
60 deg, because it sits on an hex key. The return spring was
re-positioned to provide a similar return force. The frame was
designed to handle the earlier version of BB7 caliper, which had a
longer arm, but I did not have one handy to modify by the time this
project happened. The pictured setup is on a MTB tandem, and there is
no shortage of braking power.
svenhöek
Fair!
Anyone else?