Retrobike Forum Index

It is currently Thu Mar 21, 2019 1:36 am

* Login   * Register * Search  * FAQ



Post new topic Reply to topic  [ 12 posts ]  Go to page 1, 2  Next
Author Message
PostPosted: Thu Mar 14, 2019 11:14 pm 
Retro Guru
User avatar

Joined: Sun Dec 12, 2010 10:50 pm
Posts: 392
Can someone point me in the direction of some schooling about disc brakes please?

Having bought a MC San An with knackered brakes and rough wheels, what do I need to do?
Can the rotors I have work with any calliper?
If I go cable rather than hydraulic will any normal brake lever work?
Is it safe to fabricate my own fork mount adapters?

So many questions. I’ll most likely buy hubs and build my own wheels.
I balked at the recent cost of some nice Pro-stops.


Top
 Profile  
 
PostPosted: Fri Mar 15, 2019 8:53 am 
Old School Grand Master

Joined: Mon Feb 11, 2008 9:42 am
Posts: 3308
Can the rotors I have work with any calliper? Yes, pretty much, unless they are oddballs, it's just a matter of making sure the spacer/rotor/caliper are all matched as far as size goes (140/160/165 and so on). There are some older sizes that might require some lateral thought and custom spacing. Thickness of discs is *mostly* the same, around 1,8-2 mm, so any caliper will have the adjustment to use them. Just need to make sure the entire pad is resting on the friction surface of the disc, too far out and it'll suddenly stop working when the pads meet each other, too far in and you'll get juddering as the pads hit the rotor spokes.
There are some specials which are much thicker, but it'll be glaringly obvious.

If I go cable rather than hydraulic will any normal brake lever work?Yes, any V-brake lever will work with a standard MTB cable operated caliper. You can get road calipers, they will work with any cantilever brake lever.
Is it safe to fabricate my own fork mount adapters? Depends, if you're going to use bent bits of mild steel and jubilee clips, probably not. If you're going to make a proper clamp and bracket, you should be fine. Front brakes can take a lot of load.


Top
 Profile  
 
 Post subject: Re:
PostPosted: Fri Mar 15, 2019 10:07 am 
Retro Guru
User avatar

Joined: Sun Dec 12, 2010 10:50 pm
Posts: 392
That’s excellent. Thanks very much.

I was considered a cut up coke can, but folded over twice.


Top
 Profile  
 
 Post subject: Re: Re:
PostPosted: Fri Mar 15, 2019 10:26 am 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider

Joined: Thu May 06, 2010 10:05 pm
Posts: 8229
Location: Scotland
Supratada wrote:
I was considered a cut up coke can, but folded over twice.


Give it a go and let us know how it works out.


Top
 Profile  
 
PostPosted: Fri Mar 15, 2019 12:52 pm 
Gold Trader
Gold Trader
User avatar

Joined: Sat Oct 23, 2010 10:33 pm
Posts: 2526
Location: New Forest
An early san andreas does not have normal disc dimensions, and is very much in the 'oddball' category… what year is it, and pics would help.


Top
 Profile  
 
PostPosted: Fri Mar 15, 2019 4:22 pm 
Retro Guru
User avatar

Joined: Sun Dec 12, 2010 10:50 pm
Posts: 392
Its a post 2000 one. Haven’t taken any pics yet, as its currently strung up in the workshop. Hubs are the more modern DEORE matt black ones and the remnants of the hydraulic brakes are something like proshift. Owner said they were bottom end of the market.

I’ve never much liked the look of hydraulic levers, especially when there are so many better looking cable ones about.
Though its a post 90’s frame i thought that its so iconic it could stand a bit of retrofication.


Top
 Profile  
 
 Post subject: Re:
PostPosted: Fri Mar 15, 2019 5:41 pm 
Gold Trader
Gold Trader
User avatar

Joined: Tue Apr 13, 2010 4:08 pm
Posts: 854
Location: Sarf Coast. Strong Island.
Buddy of mine has pair of wheels for the San An, they’re even badged as Mountain Cycles Pro Stop (if that helps?)


Top
 Profile  
 
PostPosted: Fri Mar 15, 2019 6:04 pm 
Old School Grand Master

Joined: Mon Feb 11, 2008 9:42 am
Posts: 3308
Just had a squizz at 2000 San Andreas, looks to be IS mounts on the frame. And most of the forks i can see fitted across the page also look to be IS, so it should be fairly straight forward. Should be.


So it'll probably be a nightmare.


Top
 Profile  
 
 Post subject: Re: Re:
PostPosted: Fri Mar 15, 2019 6:14 pm 
Retro Guru
User avatar

Joined: Sun Dec 12, 2010 10:50 pm
Posts: 392
SouthCoastRetro wrote:
Buddy of mine has pair of wheels for the San An, they’re even badged as Mountain Cycles Pro Stop (if that helps?)

How much?


Top
 Profile  
 
 Post subject: Re:
PostPosted: Fri Mar 15, 2019 6:47 pm 
Gold Trader
Gold Trader
User avatar

Joined: Tue Apr 13, 2010 4:08 pm
Posts: 854
Location: Sarf Coast. Strong Island.
I’ll give him a shout and find out for you.


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 12 posts ]  Go to page 1, 2  Next

All times are UTC [ DST ]


Who is online

Users browsing this forum: Repack Rider and 16 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  

About Us

Follow Retrobike

Other cool stuff

All content © 2005-2015 Retrobike unless otherwise stated.
Cookies Policy.
bikedeals - the best bike deals in one place
FatCOGS - Fat Chance Owner's Group

Powered by phpBB® Forum Software © phpBB Group