Wanted Avid bb7 disc rear caliper Mountain bike trails & Mountain bike reviews › Protected: Forums › Mountain Bike Forum › Wanted Avid bb7 disc rear caliper Tweet Add to Flipboard Magazine. Viewing 1 reply thread Author Posts September 6, 2013 at 12:30 #121909 toddmare Looking for an Avid bb7 disc rear caliper to replace my broken one. September 26, 2013 at 20:07 #121910 stwolf i’ve got a full set of BB7 brakes that I just took off my bike. Replaced with hydraulics. you can have the whole set if you’d like. Front & rear, 160 mm. Not heavily used. just pay for shipping. Author Posts Viewing 1 reply thread You must be logged in to reply to this topic.