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#1
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Converting Brake mounting bolt to recessed bolt?
Hi there.
I have a pair of old Shimano N-600 single pivot brakes I want to put on my repainted MIELE Uno. These brakes are the nutted type and I want to use recessed nuts on them. Is there any reason I can't just use a die to cut more thread on the existing bolt and then cut off the bolyt shorter for the recessed bolts? Does anyone know what die threading I'd need for these threads? Thanks again from Peter |
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#2
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Converting Brake mounting bolt to recessed bolt?
On 21 Aug, 19:24, Sir Ridesalot wrote:
Hi there. I have a pair of old Shimano N-600 single pivot brakes I want to put on my repainted MIELE Uno. These brakes are the nutted type and I want to use recessed nuts on them. Is there any reason I can't just use a die to cut more thread on the existing bolt and then cut off the bolyt shorter for the recessed bolts? Does anyone know what die threading I'd need for these threads? Reason: Easier to mount mudguards when brake caliper bolt is long and nutted. Those calipers have greater value to other riders. |
#3
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Converting Brake mounting bolt to recessed bolt?
On Aug 21, 2:37*pm, someone wrote:
On 21 Aug, 19:24, Sir Ridesalot wrote: Hi there. I have a pair of old Shimano N-600 single pivot brakes I want to put on my repainted MIELE Uno. These brakes are the nutted type and I want to use recessed nuts on them. Is there any reason I can't just use a die to cut more thread on the existing bolt and then cut off the bolyt shorter for the recessed bolts? Does anyone know what die threading I'd need for these threads? Reason: *Easier to mount mudguards when brake caliper bolt is long and nutted. *Those calipers have greater value to other riders. Hi there. I don't want to spend $60 - $80 for new calipers (quoted price) when I have a perfectly functional pair right here that only need a shorter brake mounting bolt to be perfect for *ME* to use on this bicycle. Mounting fenders is not all that much harder with brake calipers using a recessed mounting nut - I know because I have done that lots of times. I was thinking about ctting more threads on the existing bolts because that would save me a trip to the LBS tomorrow ro scrounge the parts bins for new recessed mounting bolts from another set of brakes. I'd rather spend that time tomorrow riding my other MIELE. Cheers from Peter |
#4
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Converting Brake mounting bolt to recessed bolt?
Sir Ridesalot wrote:
I have a pair of old Shimano N-600 single pivot brakes I want to put on my repainted MIELE Uno. These brakes are the nutted type and I want to use recessed nuts on them. Is there any reason I can't just use a die to cut more thread on the existing bolt and then cut off the bolyt shorter for the recessed bolts? Does anyone know what die threading I'd need for these threads? Use the medium length rear for your allen front then cut the long bolt and thread it m6 x 1.0 for the allen rear. Since the rear brake is oriented to present less danger of a failure, do it that way and use the factory threaded 'rear' bolt in front. Or of course alternately get a Shimano short bolt for the rear. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#5
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Converting Brake mounting bolt to recessed bolt?
On 21 Aug, 19:50, Sir Ridesalot wrote:
On Aug 21, 2:37*pm, someone wrote: On 21 Aug, 19:24, Sir Ridesalot wrote: Hi there. I have a pair of old Shimano N-600 single pivot brakes I want to put on my repainted MIELE Uno. These brakes are the nutted type and I want to use recessed nuts on them. Is there any reason I can't just use a die to cut more thread on the existing bolt and then cut off the bolyt shorter for the recessed bolts? Does anyone know what die threading I'd need for these threads? Reason: *Easier to mount mudguards when brake caliper bolt is long and nutted. *Those calipers have greater value to other riders. Hi there. I don't want to spend $60 - $80 for new calipers (quoted price) when I have a perfectly functional pair right here that only need a shorter brake mounting bolt to be perfect for *ME* to use on this bicycle. Mounting fenders is not all that much harder with brake calipers using a recessed mounting nut - I know because I have done that lots of times. I was thinking about ctting more threads on the existing bolts because that would save me a trip to the LBS tomorrow ro scrounge the parts bins for new recessed mounting bolts from another set of brakes. I'd rather spend that time tomorrow riding my other MIELE. Either do what AM suggests, or fill the holes using steel tube. Cutting two lengths of tube is much easier than cutting and threading an already hardened chromoly mounting bolt btw. |
#6
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Converting Brake mounting bolt to recessed bolt?
On Fri, 21 Aug 2009 13:12:21 -0700 (PDT), someone wrote:
Cutting two lengths of tube is much easier than cutting and threading an already hardened chromoly mounting bolt btw. I'd be interested in the source for this claim that Shimano N600 brake bolts are a) "chromoly"; and b) hardened of course, if it's of the nature of "my 'experience' says so, and I'm dead clever, I am", that will get the weight it deserves. |
#7
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Converting Brake mounting bolt to recessed bolt?
someone wrote:
Cutting two lengths of tube is much easier than cutting and threading an already hardened chromoly mounting bolt btw. _ wrote: I'd be interested in the source for this claim that Shimano N600 brake bolts are a) "chromoly"; and b) hardened of course, if it's of the nature of "my 'experience' says so, and I'm dead clever, I am", that will get the weight it deserves. I doubt they are CrMo and they are certainly not hardened (having threaded them). -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#8
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Converting Brake mounting bolt to recessed bolt?
On 2009-08-21, AMuzi wrote:
someone wrote: Cutting two lengths of tube is much easier than cutting and threading an already hardened chromoly mounting bolt btw. _ wrote: I'd be interested in the source for this claim that Shimano N600 brake bolts are a) "chromoly"; and b) hardened of course, if it's of the nature of "my 'experience' says so, and I'm dead clever, I am", that will get the weight it deserves. I doubt they are CrMo and they are certainly not hardened (having threaded them). A related question: if a bolt is CrMo presumably that implies it's not stainless and will therefore rust? |
#9
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Converting Brake mounting bolt to recessed bolt?
On Aug 21, 3:57*pm, Ben C wrote:
On 2009-08-21, AMuzi wrote: *someone wrote: Cutting two lengths of tube is much easier than cutting and threading an already hardened chromoly mounting bolt btw. _ wrote: I'd be interested in the source for this claim that Shimano N600 brake bolts are a) "chromoly"; and b) hardened of course, if it's of the nature of "my 'experience' says so, and I'm dead clever, I am", that will get the weight it deserves. I doubt they are CrMo and they are certainly not hardened (having threaded them). A related question: if a bolt is CrMo presumably that implies it's not stainless and will therefore rust? Depends on whether the bolt is plated. I have lots of bolts on my bike that are definitely not stainless yet are not rusted. Rear derailleur bolt, downtube boss bolts, seatbinder bolt, water bottle cage bolts, chainring bolts, brake bolts, pedal axles. All are steel and plated somehow and are not rusted. |
#10
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Converting Brake mounting bolt to recessed bolt?
On Aug 21, 4:15*pm, "
wrote: On Aug 21, 3:57*pm, Ben C wrote: On 2009-08-21, AMuzi wrote: *someone wrote: Cutting two lengths of tube is much easier than cutting and threading an already hardened chromoly mounting bolt btw. _ wrote: I'd be interested in the source for this claim that Shimano N600 brake bolts are a) "chromoly"; and b) hardened of course, if it's of the nature of "my 'experience' says so, and I'm dead clever, I am", that will get the weight it deserves. I doubt they are CrMo and they are certainly not hardened (having threaded them). A related question: if a bolt is CrMo presumably that implies it's not stainless and will therefore rust? Depends on whether the bolt is plated. *I have lots of bolts on my bike that are definitely not stainless yet are not rusted. *Rear derailleur bolt, downtube boss bolts, seatbinder bolt, water bottle cage bolts, chainring bolts, brake bolts, pedal axles. *All are steel and plated somehow and are not rusted.- Hide quoted text - - Show quoted text - Not sure the bolts are chrome plated or zinc plated. |
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