Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby slidecontrol on Sat 5/Nov/11 9:34pm

that colour works on you :thumbsup:
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby nagem on Sat 5/Nov/11 9:35pm

I like the texture too.
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby UnimatrixZero on Sat 5/Nov/11 10:15pm

nagem wrote:
pushbikerider wrote:
nagem wrote:Someone else bought it.


I wonder, who was that mysterious buyer of a small classic road bike on TM?, I wonder

I didn't see it here first. K.


Congrats... I'd actually decided against it earlier in the week.
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby Simonius_Titius on Sun 6/Nov/11 2:38am

nagem wrote:... Someone else bought it.

Hold the courier, you also need this eighties Trek in 531 with strange lugs and geometry so you can start a Welly branch of the steel Trek cult.
http://www.trademe.co.nz/Browse/Listing ... =420758257
193032595 48cm.jpg
Trek 531 Shimano 600EX, upgr wheels and STI

193032627_full.jpg
Trek dropout, cable inside stay introduced 1985

193032641_full.jpg
Trek steel seatlug


I reckon this is a 1986-88 model 520 or 660.
http://vintage-trek.com/TrekBrochures.htm

I was planning to move this to the Tardme thread but got carried away witht the pix & they don't move. Apologies to mechs for messing up the workshop.
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby nagem on Sun 6/Nov/11 8:21am

I already have this:
bonnie.jpg


An early 50's Claud Butler lugless tourer. And I am not in Wellington. :)
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby phippsicle on Thu 10/Nov/11 7:20pm

don't know if this is the place for it, but i've a question about squealing XT disc brakes....? :eh:

My brother just bought a KHS Alite hardtail on trademe from a guy who's going overseas... it's got XT wheels and XT discs (very similar looking to my M775s but without the servo wave?) with 160mm centerlock rotors.

While my XTs (203mm rotors) are practically silent under braking, his squeal like a stuck pig and are starting to drive everyone nuts... :crazy:

Can you bike mechanics give me any tips for getting his brakes to run more quietly? Apparently, the pads are pretty new, but I've considered boiling them, and baking them, and cleaning the rotors and re-installing them to the hubs etc :blink:

Cheers!
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby pushbikerider on Thu 10/Nov/11 7:46pm

centre lock or 6 bolt discs?
sintered or organic pads?
IS mounts front and rear or post mounts , or a mix?
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby phippsicle on Thu 10/Nov/11 7:50pm

160mm centerlock rotors
Postmount
sintered pads (I believe)

I've read that organic pads can be quieter, but are sheit in the wet... true?

Any suggestions are appreciated... well... sensible suggestions... :blush:
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby pushbikerider on Thu 10/Nov/11 7:56pm

yes sintered pads are noisier than organics, but yes organics don't last well in the wet. My first thought would be to remove the pads and try and roughen them up (file, sand paper, rough but clean concrete steps), they could be glazed over, especially if your mate isn't very aggressive (ie he has dragged the brakes glazed)

how much play in the rotors?(if any), I would be tempted to try another set of wheels with those brakes if there is play in the rotors
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby Percy Pig on Thu 10/Nov/11 8:01pm

phippsicle wrote:160mm centerlock rotors
Postmount
sintered pads (I believe)

I've read that organic pads can be quieter, but are sheit in the wet... true?

Any suggestions are appreciated... well... sensible suggestions... :blush:

Burn them!! They must be possessed by evil spirits!!................oh.....sensible suggestions. :blush:
Sorry. :paranoid:

Ahhh, they may just need the pads de-glazed then some hard angry use, a bit of heat in everything at once can shut things up. :)
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby phippsicle on Thu 10/Nov/11 8:29pm

sounds good, thanks. I'll give them a boil... then a bake... then a rough up... clean the rotor with rubbing alcohol, look at any play in the rotors and reset the calipers on the frame and forks... then heat them up with some heavy braking! :satan:

Cheers lads
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby Percy Pig on Fri 11/Nov/11 3:40pm

phippsicle wrote:sounds good, thanks. I'll give them a boil... then a bake... then a rough up... clean the rotor with rubbing alcohol, look at any play in the rotors and reset the calipers on the frame and forks... then heat them up with some heavy braking! :satan:

Cheers lads

That pretty much is everything you can do without replacing things! :)
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby thorg on Mon 14/Nov/11 8:23am

Help me please.

measured seatposts that need replacing last night - but unsure if I have the correct measurements.

Bike 1 - GT peace 26, I measured the OD of the post as 26.6 does that sound about right?
Bike 2 - old steel 'masport' branded BMX, I measured the OD as being 22.2 ?

posts were old, well used, and not necessarily still round, so measures could be a littel off . . . .
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby Oli on Mon 14/Nov/11 8:28am

Can't help with bike 1 soz, but bike 2 sounds right.
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Re: Bike Mechanics Impart Their Wisdom On Vorb

Postby thorg on Mon 14/Nov/11 8:31am

It's a start, cheers Oli :)

damn these people not stamping their post sizes onto the posts :hmmm:
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