Go Back  Bike Forums > Bike Forums > Bicycle Mechanics
Reload this Page >

Center lock brake discs

Notices
Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

Center lock brake discs

Old 06-03-19, 10:12 PM
  #1  
MarcusT
Senior Member
Thread Starter
 
MarcusT's Avatar
 
Join Date: Apr 2017
Location: NE Italy
Posts: 1,617
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 759 Post(s)
Liked 600 Times in 340 Posts
Center lock brake discs

With my new MTB came Shimano center lock disc brakes. The tools to remove/mount them are confusing.
The tools I have seen resemble cassette removal tools, but the ring on my disc resembles a hollowtech bottom bracket mount
A little help?

Thanks
MarcusT is offline  
Old 06-03-19, 10:23 PM
  #2  
HerrKaLeun
Senior Member
 
Join Date: Mar 2017
Location: Madison, WI
Posts: 1,923

Bikes: Giant Toughroad SLR1 and Motobecane Sturgis NX

Mentioned: 10 Post(s)
Tagged: 0 Thread(s)
Quoted: 900 Post(s)
Liked 231 Times in 168 Posts
The larger axles require the larger BB tool. Like a 20 mm front axle. Smaller axles, like QR, get by with the smaller cassette tool.
HerrKaLeun is offline  
Old 06-03-19, 10:24 PM
  #3  
August West
Senior Member
 
Join Date: Jun 2009
Location: Land of Enchantment
Posts: 468

Bikes: Domane SLR7 Project One

Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
Quoted: 152 Post(s)
Liked 173 Times in 105 Posts
Shimano lock rings use the cassette tool. Non-Shimano uses rings use a spanner.

August West is offline  
Old 06-03-19, 10:25 PM
  #4  
MarcusT
Senior Member
Thread Starter
 
MarcusT's Avatar
 
Join Date: Apr 2017
Location: NE Italy
Posts: 1,617
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 759 Post(s)
Liked 600 Times in 340 Posts
Originally Posted by HerrKaLeun
The larger axles require the larger BB tool. Like a 20 mm front axle. Smaller axles, like QR, get by with the smaller cassette tool.
So a Shimano Hollowtech BB tool would work?
MarcusT is offline  
Old 06-04-19, 12:20 AM
  #5  
cobba
Senior Member
 
Join Date: Aug 2006
Posts: 1,895
Mentioned: 8 Post(s)
Tagged: 0 Thread(s)
Quoted: 184 Post(s)
Likes: 0
Liked 67 Times in 53 Posts
Originally Posted by MarcusT
So a Shimano Hollowtech BB tool would work?
Yes.

https://www.parktool.com/blog/repair...icle-section-3

Originally Posted by August West
Shimano lock rings use the cassette tool. Non-Shimano uses rings use a spanner.
Shimano makes lockrings that use a bottom bracket tools and cassette tools.

.

Last edited by cobba; 06-04-19 at 12:29 AM.
cobba is offline  
Likes For cobba:
Old 06-04-19, 11:19 AM
  #6  
fietsbob
Banned
 
Join Date: Jun 2010
Location: NW,Oregon Coast
Posts: 43,598

Bikes: 8

Mentioned: 197 Post(s)
Tagged: 0 Thread(s)
Quoted: 7607 Post(s)
Liked 1,354 Times in 861 Posts
so you have a through axle wheel in a through axle frame and fork ?

the one using the cassette lock ring tool is conventional Skewer QR hubs..

I just have that style , shop tool has a center pin that goes in the hollow axle .. so it wont slip ..

shimano has a splined freewheel removal tool , no pin, more portable.






....
fietsbob is offline  
Old 06-04-19, 02:39 PM
  #7  
jimc101
Senior Member
 
Join Date: Oct 2007
Location: West Yorkshire, United Kingdom
Posts: 5,773
Mentioned: 5 Post(s)
Tagged: 0 Thread(s)
Quoted: 453 Post(s)
Liked 104 Times in 87 Posts
Originally Posted by MarcusT
With my new MTB came Shimano center lock disc brakes. The tools to remove/mount them are confusing.
The tools I have seen resemble cassette removal tools, but the ring on my disc resembles a hollowtech bottom bracket mount
A little help?

Thanks

A bit confused with the question, is there one? wondering, why didn't you ask the shop you got it from, when you got it, and why would you need to remove the rotors, as a new bike isn't going to need new rotors for hopefully a very long time.

Would avoid calling the brakes centerlock, as it's only the rotor which is, the caliper will work with 6 bolt or centerlock, as long as the rotor is the correct size.
jimc101 is offline  
Old 06-04-19, 02:54 PM
  #8  
Metaluna
Senior Member
 
Join Date: Aug 2005
Location: New Hampshire
Posts: 1,221

Bikes: Niner RLT 9 RDO, Gunnar Sport, Soma Saga, Workswell WCBR-146

Mentioned: 5 Post(s)
Tagged: 0 Thread(s)
Quoted: 114 Post(s)
Liked 19 Times in 19 Posts
The cassette-style lockring isn't just for QR. It will also work with 12mm through axles. If you couldn't do this, then you wouldn't even be able to mount an actual cassette on a 12mm rear wheel. The larger BB-style lockring will, I think, work with any size axle, from QR to 20mm and maybe more. Despite that, I still prefer the cassette style if I can get away with it because a lot of the oversized lockrings are very thin and I feel the limited spline engagement is just asking for trouble. For example I have some Shimano lockrings where the splined flange is like 2mm thick at most. If that gets stripped, you are going to have a bear of a time getting the rotor off.
Metaluna is offline  
Old 06-04-19, 10:09 PM
  #9  
MarcusT
Senior Member
Thread Starter
 
MarcusT's Avatar
 
Join Date: Apr 2017
Location: NE Italy
Posts: 1,617
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 759 Post(s)
Liked 600 Times in 340 Posts
Thanks for the input. I got it
MarcusT is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
dmanthree
Bicycle Mechanics
6
02-21-18 12:04 PM
Ald1
Bicycle Mechanics
9
02-12-18 02:39 PM
orocasa
Bicycle Mechanics
4
09-26-16 11:08 AM
nyc_commuter
Bicycle Mechanics
5
07-17-13 08:07 PM
helpless
Bicycle Mechanics
21
04-08-11 11:49 AM

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.