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  • Looking to upgrade my disc brakes.

     GuitarBizarre updated 11 years, 1 month ago 4 Members · 10 Posts
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  • GuitarBizarre

    Member
    11 December 2009 at 5:16 pm

    First post here and a tech newbie, so go easy, but I’m looking to replace my disc brakes. My bike is a Diamondback Sorrento, which came with front and rear ‘QUAD’ brand disc brakes.

    Since I got the bike, the brakes havent been fantastic. The bike I had before this had a front disc only, mechanical, and it never needed adjusting, and was quite capable of sending me over the handlebars were I to be stupid with it. (Something I found to be a good thing in fact, the need to be less than rough with my braking made riding a lot of fun. I only got rid of the bike because it weighed a ton!)

    The new bikes disc brakes on the other hand have been nothing but trouble sine I got them. I’ve cleaned rotors and pads, adjusted everything, tightened everything, and even taken it into the shop a couple of times. All these things helped but the brakes are still pitifully weak. On a steep hill (Note, hill, not trail, I’m not talking ‘almost vertical’ i’m talking about even paved paths here, the kind you’ll find in woodlands) they’ll just barely slow me down. In fact, its quite possible that on a long hill, I’ll build up speed to what I would call ‘fast but not warp 9’, and the brakes will take a stupidly long amount of time to slow me down. So much so in fact that I worry about people walking around corners at the end, since there’d be no way I could stop in enough time, or even slow down sufficiently.

    Because of this I’m looking to upgrade to some good brakes. Like above, I want them to be quite capable of sending me over the bars if need be, I’d rather have far too much power and adjust to it, than the alternative!

    Problem is, I know nothing about disc brakes. Budget isn’t TOO much of a concern, i’d rather spend more and get indestructible, easy to use brakes, than cheap out and get more problems.

    Any reccomendations? I’d say anything up to £250 for both is a good budget, but I’ll happily spend more to get more. Alternatively, if there are great brakes that fit my requirements for less, throw them my way.

    Edit: By the way, I know the bike is cheap, and doesn’t REALLY warrant that expensive of a brake system, but I figure if I upgrade the bike, the brakes come with, and I really like the bike other than this problem. Its not exactly like disc brake mounts change every few months like PC parts do.

  • Jeff

    Member
    11 December 2009 at 5:41 pm

    have a look on crc for some pretty good deals on disc brakes i quite like the look of the shimano m575`s

    http://www.chainreactioncycles.com/Models.aspx?ModelID=43693

    or

    http://www.chainreactioncycles.com/Models.aspx?ModelID=41820

    or theres the shimano hone dual controls at £80 a pair they would be a good option if you wanted to upgrade an 8 speed bike to 9 speed.

    http://www.chainreactioncycles.com/Models.aspx?ModelID=10482

    the possibilities are endless.

  • GuitarBizarre

    Member
    11 December 2009 at 5:57 pm

    hmm, i should mention the main use this bike gets is my local park which has some trails that get real muddy at times, but I do use it to ride roads a lot, should I go for some more rugged rotors with more vents? I read that helps with stopping dirt clogging the discs

    And I find the gears I have to be fine for now, 24 is more than enough I think.

  • Jeff

    Member
    11 December 2009 at 6:50 pm

    never heard of dirt clogging the discs tbh, the deores would do you fine for what you want them for or maybe even some juicy 3`s at less than a ton. no point spending £250 on brakes that will do the same job that a £100 pair will do. personally what i would do first is get some new pads for the quads and bed them in properly as it sounds like theyre glazed (quads usually get reasonable write ups in the mags) maybe also get a bigger rotor for the front coupled with the correct mount.

  • aquaman2

    Member
    11 December 2009 at 8:13 pm

    http://www.merlincycles.co.uk/mountain-bike-disc-brakes/avid-disc-brakes/avid-juicy-3-disc-brake-set.html

    avid juicy 3s. more than enough for you with free delivery, and an extra 10% off this weekend. avid 3s are powerfull adjusterble and come in the bling bling white.. bargain. also look at hayes stroker trail as they are awsome but cost more. for your needs avids 3s are mint.

  • aquaman2

    Member
    11 December 2009 at 8:15 pm

    i had quad qhd 1 brakes on an old hardtail and they were excellent. 180 fr and 160 rr and squeeled a bit but stopped on a pin. if decide to change get them serviced and flog on bay. will be worth a few quid back to you i bet.

  • Steve Kish

    Member
    11 December 2009 at 8:58 pm

    My ‘best – dosh no object’ choice would be Hope Moto V2 or Formula The One, probably the Hope. 🙂

  • GuitarBizarre

    Member
    11 December 2009 at 10:54 pm

    i had quad qhd 1 brakes on an old hardtail and they were excellent. 180 fr and 160 rr and squeeled a bit but stopped on a pin. if decide to change get them serviced and flog on bay. will be worth a few quid back to you i bet.

    Mine are QMD-5s, very cheap OEM brakes. Reviews I’ve found aren’t positive…at all, and I’d agree with the reviews, from everything I’ve experienced, these brakes are trash. I bought the bike brand new, so I doubt the pads are glazed, they were new off the shop floor. Its been serviced twice by the shop and I took the system apart and gave it a thorough cleaning myself, and even though the brakes DID feel better afterwards, they were never very good from day one.

    In fact, the bike feels distinctly unsafe when trying to slow down quickly, a cross between ‘oh my god i’m not slowing down’, and ‘oh my god I’m pulling this lever so hard i’m scared I’m bending something in the system quite severely’, so I’d be loathe to sell them and cause an accident.

  • aquaman2

    Member
    12 December 2009 at 12:24 pm

    formula the ones are awsome brakes but to be honest they are more for the down hill boys as these will stop you anywhere.hopes are meant to be mint but again for the money there are just as good out there for your needs. the juicy 3 brakes above or stroker trail ones will both see you right i promise you and will come at a third of the formulas and half the price of the hopes. just because you have £250 to spend on brakes there realy is no need to. i bet everyone on here would agree with me on that on here. if you were doing more adrenalin fueled bike sports id recomend the big money brakes but you said yourself what the brakes would be mainly used for and it wasnt dhilling or freeride. hope this helps a bit.

  • GuitarBizarre

    Member
    12 December 2009 at 6:49 pm

    Sounds like the stroker trails are the way to go it seems. (I know i’m going for the more expensive option again, its just a case of I seem to always regret saving the money on things. Shoes, PC parts you name it, every time I go for something cheap over something a little ‘too good’, I have nothing but nightmares.)

    Thanks guys, I’ll get these ordered as soon as possible and we should have some fun! Feel free to leave more reccomendations if anyone wants though, since obviously I’m sure they’re not the ONLY options. They’re definitely jumping at me right now though.

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