RADBMX.CO.UK
New School BMX 2004 - Now => New School Park, Street & Dirt => Topic started by: kev-s on October 10, 2011, 05:56 PM
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about a week ago i noticed my brake kept slipping so i took a look and id pretty much ripped off the brake mount and cracked the other one :'( :'( :'(
(http://www.radbmx.co.uk/archive/albums/1003/escrs/IMAG0257.jpg)
(http://www.radbmx.co.uk/archive/albums/1003/escrs/IMAG0258.jpg)
after a chat with moeller and 4down they have agreed to replace the frame foc :daumenhoch: :daumenhoch:
which there not obliged to do as its already a warranty replacement
so a big big big thank you to chris and the guys at 4down :4_17_5:
s&m rocks :smitten: :smitten: :smitten:
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using a proper rear brake which im going to change just to be safe
think ive just been unlucky, i havent heard of any other dirtbikes cracking on the brake mounts and my mates randy brown v1 has been fine
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Doesn't inspire much confidence in the wobbly screw in mounts on my ATF... :-\
Good news that they're sorting a replacement Kev... :daumenhoch:
Just go brakeless, problem solved... ;D
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getting another yellow dirtbike :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :smitten: :2funny: :2funny: :2funny:
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screw in mounts would be better surely, as the mount would bend first?
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screw in mounts would be better surely, as the mount would bend first?
They rip out fooking up the threads in the frame, seen it happen a couple of times... :(
And they slowly work loose, noisy brake due to the arms wobbling and the lever going slack being the usual warnings
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atleast u get a warning :2funny: :2funny: :2funny:
why not try some pfte tape?
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Damn! Makes you think, are these American made frames as good as everyone thinks they are? Especially for the top dollar prices. At least your getting a replacement no problem.
Cheers Paul
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Thread lock the fookers in.
atleast u get a warning :2funny: :2funny: :2funny:
why not try some pfte tape?
Had these suggestions before but i don't ride as much nowadays so it doesn't bother me, too lazy to fix it proper... ;D
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OOOps :wtf: that is not a good advert. Glad you are getting it sorted :daumenhoch:
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nothing wrong with the american made frames, i bet just as many taiwan frames get broke too
one thing with s&m and 4down is they have a damn good warranty dept :daumenhoch: :daumenhoch:
talking of a american made frame v's a taiwan made frame cost, prices are changing have a read of this
http://espn.go.com/action/bmx/blog/_/post/7039366/the-resurgence-us-made-bmx-frames
spoke to 4down again today, old frame has been sent back to them and new one will be in the uk in 2 weeks :4_17_5: :4_17_5:
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tis a problem with seatstay brake mounts never been the best place to run brakes the only reason is to get the brakes away from the chain line , still top result from the S&M boys :daumenhoch: that kind of customer care has got to be worth a few extra quid :daumenhoch:
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Surely all S&M frame brake mounts are manufatured and welded the same way, will be checking my LTF as I use the rear brake a lot.
out of interest would you say your particular hard on the rear brake?
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i use my rear brake all the time as i do alot of rear wheel stuff and i ride 6-7 hours a week
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got to be some scientific explanation , :LolLolLolLol: but looking at it from a pudding point of view ..... pull the brake , blocks stick to rim, wheel going forward, blocks move forward, forces transfered through caliper to mounting ponit, forces moving away from fame. Seems to be obvious to me , bung em where there is something to stop em moveing away from the direction of force so that it stops the movement.... ie chainstays,..... forces move forward ... stopped by chain stays
Having spouted out my pov i'm pretty sure that this is one of the very few s7m frames that is faulty , probably tempreture in workshop or a just the friday afternoon fook it that caused the problem .......... :LolLolLolLol:
s7m...... like that, nice one Mr SW :daumenhoch:
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the reason the frame has failed is simply due to bad welding.
the weld should be stronger than the surrounding tube.
Jim,your theory about putting the mounts on the chainstay is a sound one :daumenhoch:,not sure if you could geta v-brake in there though :-\, maybe a brake booster plate would help,with the mounts on the seat stays ???
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bung em where there is something to stop em moveing away from the direction of force so that it stops the movement.... ie chainstays
For sure! Totally! I ALWAYS run my brake on the top of the chainstay. It also means you can use the seat tube for the cable-stop so there is no chance of it snapping off (which happens sometimes with the mount under the top tube).
AND it means the cable is much more in line ... but dont get me started on that one! ;)
(http://www.radbmx.co.uk/archive/albums/r313/alexleech/Bikes/08Cablestop.jpg)
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the reason the frame has failed is simply due to bad welding.
the weld should be stronger than the surrounding tube.
Jim,your theory about putting the mounts on the chainstay is a sound one :daumenhoch:,not sure if you could geta v-brake in there though :-\, maybe a brake booster plate would help,with the mounts on the seat stays ???
Seen a Standard w/a V-brake under the seatstays,a weird option & maybe the noodlel would snag & break..
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interesting topic chaps :daumenhoch:
never seen v brakes mounted anywhere but on top of seatstays , i think realy its a non starter to put em anywhere else, plus as Voivod says the noodle is going to be in the way unless your running one of the low profile posh roller ones,
As Rooski says with v brakes you can always run stiffning plates to stop the sideways movement / leverage on the mounts , used some on a trials bike with v brakes as the frame was flexing due to amount of force being applied to the rim by the brakes, cured the problem and made the v brake even better, in fact they were almost too good if that's possible? :LolLolLolLol:
now got to come up with a 990 one , great idea, will start drawing one up , then see how long it takes me to find one on the net that's been in production for years already :LolLolLolLol:
i think the 990 mount underneath is just realy a way to clean up the line and look of the frame , and also to free up the chain line to allow for the newer smaller gearing options, this is probably down to the frame design restrictions with useing smaller mid bb's unless of course there is some science behind it , just can't see the advantge,
in theory the mount should be as good as one on top of the tube after all it's welded and made the same way , the only difference i can see is the way the force is applied to the mount .............
:LolLolLolLol: i'll stop actually just made me chuckle a bit wtf do i know anyhow :LolLolLolLol: (flack jacket on awaiting the barrage) :LolLolLolLol:
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I think i've got a DNA AD mount that has a top part that stops sideways movement? will have to dig it out of my bits and have a look :daumenhoch:
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in the 90s, Shimano U brakes came with a "booster" plate.
They are dead easy to make for any brake. Much simpler than Vbrake plates :daumenhoch:
We used to make them out of chainrings so you had TEETH along the top of it!!!! 8)
(http://www.radbmx.co.uk/archive/albums/r313/alexleech/ShimanoUbrake.jpg)
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corker :daumenhoch: likeing the chainring idea :4_17_5: is that a 10p spacer ? :LolLolLolLol: quality :daumenhoch: ( the cam bit... )
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is that a 10p spacer ?
Its not a 10p, its the edge of the cam bit which is serrated to make it easier to rotate. :daumenhoch:
(but its not my bike, i just googled those brakes. Come on, I dont have a Mountain bike!!!!!) :knuppel2:
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I bet You would if a certain bike co made One!
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I bet You would if a certain bike co made One!
Like a Black Market MTB? Na, I'll keep it bmx
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I bet You would if a certain bike co made One!
Like Black Lable MTBs? Na, I'll keep it bmx
Thought You'd say something like that :daumenhoch:
I don't know what Black Lable MTB is though? I've got an MTB, singlespeed as the shifter cables have snapped & I can't be arsed to change 'em!
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Black Market MTBs (Black Lable by mistake :-[) were made by S&M, or at S&M.
Some would say that makes them an "S&M MTB company".
http://www.blackmarketbikes.com/index.php
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Black Market MTBs (Black Lable by mistake :-[) were made by S&M, or at S&M.
Some would say that makes them an "S&M MTB company".
http://www.blackmarketbikes.com/index.php
Ah, thanks for that :daumenhoch: not My cup of tea, but those frames look real nice & You can see S&M in them, I was reading something a while ago & it said S&M make parts for motorbikes as well?