Home Forums Bike Forum Bb7s brakes any good?

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  • Bb7s brakes any good?
  • fd3chris
    Free Member

    I recently got a pair of these on a bike I bought. I swapped them right out for codes but they are mint and I’m considering using them on another bike. Anyone have any experience of them good or bad ?

    drofluf
    Free Member

    Sometimes can be a bit of a fiddle to set up but once you’ve done that they’re great!

    scaredypants
    Full Member

    as drofluf says, they’re great when set up right – not sure you’d race WC downhill on them but they’re good enough for any general riding

    fd3chris
    Free Member

    Thanks guys I might have to give them a try.

    johnnystorm
    Full Member

    I’d rather have bb7s over any other brake with an avid/sram logo on it. 😆

    tinribz
    Free Member

    Had a pair on a road / gravel / tourer bike for years. Was so impressed tried on a MTB (29er). They came off pretty quick, bottom end hydro are much better option.

    epicyclo
    Full Member

    Yes they are good.

    If they are not good it is because you have either crap compressible outer cables and/or flexy levers (Avid’s own levers are good), or badly setup.

    And proper setup is important.

    It’s easier to get it right when you realise they work by the outside pad pushing the rotor onto the inside pad. Thus the less gap you can get away with between the rotor and the inside pad, the better. The bigger the gap there, the spongier they will feel. A warped disk will also make them feel spongy.

    I’m testing a set of TRP Spyres at the moment, and with their dual action pistons, they are much easier to keep adjusted. I may end up replacing all my BB7s with these, but they are more expensive.

    PeterPoddy
    Free Member

    They can be a right pain to set up, as the spring pushes on the centre of the pad and it can sit lop-sided in the calliper. Also, the adjustable piston (Inboard one) can seize solid if not looked after. This is more of a problem on the BB5 but I’ve seen it write the calliper off. It’s possible to strip the whole calliper down and clean it out though.
    They do work very well and they are powerful, but by modern standards (TRP…) they’re very bulky and a bit of a fiddle to set up in comparison.
    They’re also made by Promax, and if you want something cheaper the Promax Render is virtually the same as a BB5….

    johnnystorm
    Full Member

    Ah, not actually being made by avid explains why they are ok! 😉

    PeterPoddy
    Free Member

    Johnny, yes, spot on! 🙂

    dufresneorama
    Free Member

    Got a set on the commuter/tourer and other than being a pain to set up and having to fine tune the front qr everytime I remove the front wheel, they actually stop me quite well. I’ve got some low compression outers on there but they still feel quite spongy. Running avid fr5 levers, is it worth upgrading to sd7 levers?

    ratadog
    Full Member

    Yes, for the bimbling about that I do, that is no competitive descending/long alpine descents, they are fine once set up. Slightly worried about admitting that as have quite a few sets on various bikes mostly sourced on ebay from others who took them off new bikes and replaced them with “something proper” so concerned that this thread may lead to drying up of supply.

    iwluap
    Free Member

    Got em on my CX commuter. Winter riding on salty roads has corroded them severely. They still work but the finish is “bubbled”. The inner plates on both front and back are corroded into place and are no longer adjustable, not too much of a problem but not ideal. Hindsight would have seen some more regular cleaning during the winter months but getting home cold and wet and in the dark is not conducive to cleaning especially if you know the weather/ roads will be the same for several months…

    Tiger6791
    Full Member

    Used em for years on my MTB

    Great for ease of use, can be a bit tiring on the fingers on a long downhill.

    JohnClimber
    Free Member

    Not if you’re into downhilling, but 6 of my bikes run on them so yes they are great.

    fd3chris – If you do want to sell them on can I have 1st dibs please?
    my email in my name link thingy above.

    stevious
    Full Member

    I recently canned the ones on my CX bike because I was bored of adjusting them. Pretty good stopping power when they work but too much of a time-sponge for my liking.

    miranmtb
    Free Member

    Very good brakes, for me they are as close to fit and forget you can get.
    Change the jagwire cables and housing every two years and thats it, also the old g2 rotors and stock sintered pads last a loooong time. Easy to service and no problems when you take the wheel off and accidentally pull the lever.
    Have them on all bikes with disk brakes (two mine + one wifes).

    bigdean
    Free Member

    Yes they’re great but,, rattle like a spray can and can be a pain to get the wheel back in as the pads flop in all the time.

    scaredypants
    Full Member

    rattle like a spray can and can be a pain to get the wheel back in as the pads flop in all the time.

    err,

    takisawa2
    Full Member

    Love them. They just work. No pissing about with bleeding etc. And easily as powerful as hydros if you pull the levers hard enough.

    trail_rat
    Free Member

    another one that they just work for …..

    no issues coming through the larig au laiogh or gaick pass on a loaded 49lb fat bike.

    walleater
    Full Member

    I’ve used everything from early Hope to Codes and BB7s are currently on both my MTBs. The set that are hooked to to XTR Servowave levers are stupidly progressive and powerful. I agree that if you don’t find them good, they are probably set up wrong.

    Pickers
    Full Member

    No problems with BB7s here either. I did kill a set of BB5s though a few years ago. They don’t like full immersion…
    I imagine 7s would be the same.

    joshvegas
    Free Member

    Setting them is easy what the gell does everyone else do?!

    drofluf
    Free Member

    Setting them is easy what the gell does everyone else do?!

    I think it’s easy once you know how. It’s a ten minute job now to install a caliper but it took me a while to work out how!

    MoreCashThanDash
    Full Member

    Found it a pig to get new pads to sit properly in the calipers, but that may have been due to a cold dark garage and general mechanical ineptitude.

    Nearly 3 years faultless commuting/gravel/crap winter riding out of mine.

    nedrapier
    Full Member

    Very happy with mine. 5 years and c. 12,000 miles on the Peregrine. Got the mtn versions with tektro drop levers.

    Replaced the cables once, went for full length jagwire compressionless outers, spent some time following the tips out there about dremeling outers to smooth 90 degrees. Big improvement.

    Only ever use 1 finger in the drops, plenty of smashing round downhill off road. Only improvement I’d like would be more comfortable hoods on the levers – the tektros are a bit sharp on top.

    Del
    Full Member

    another one here. have sets on both my mtbs, have done alpine holidays with them with plenty of descending where others were cooking hydros.
    hydros are great until they start playing up, then they’re a sod unless you have the spares and facilities to hand.

    drofluf
    Free Member

    @nedrapier are the Tektro levers a “mountain bike” pull or are you running road levers and MTB calipers?

    Thanks

    scruff9252
    Full Member

    The bb7s on my touring / commuter are wanting re-cabled. What’s the cable outer de jour? Current ones are a little springy this being replaced.

    nedrapier
    Full Member

    drofluf – yep, mtb pull: Tektro RL520. I think there might be one or two others out there.

    scruff – jagwire compressionless have been great for me. Well worth spending some time setting them properly – prepping the cut ends of the outers.

    epicyclo
    Full Member

    scruff9252 – Member
    The bb7s on my touring / commuter are wanting re-cabled. What’s the cable outer de jour?

    For the run of the cable where it doesn’t need to flex, use solid outers if possible. The cheapest way to do this is to buy some alloy tubing from B&Q or other hardware store, and use teflon airhose as a liner.

    Just get the alloy tubing that’s about the same size as a cable, and any teflon airline tubing that fits inside is good enough.

    You can bend the tubing to shape (carefully) with your thumbs, so it doesn’t all have to be straight runs. Flexy brake noodles are useful too.

    Or you can spend a black fortune on something like Nokon cables. 🙂

    drofluf
    Free Member

    Thanks!

    fd3chris
    Free Member

    Mine have come with avid speed dial 7 levers and jag wire outers. How do you tell if it is compressionless or not ?

    miranmtb
    Free Member

    Jagwire ripcord/mountain pro = compressionless = good 🙂

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