Go Back  Bike Forums > Bike Forums > Singlespeed & Fixed Gear
Reload this Page >

Front brake / carbon fork

Notices
Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

Front brake / carbon fork

Old 10-02-21, 05:36 PM
  #1  
mathews023
Member
Thread Starter
 
Join Date: Jun 2015
Posts: 46
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 11 Post(s)
Liked 1 Time in 1 Post
Front brake / carbon fork

Would like to install a front brake on my Specialized Langster Pro. Stock fork. Would it be safe to drill out? If not, could I use a clamp on caliper? Any other options?
mathews023 is offline  
Old 10-02-21, 05:54 PM
  #2  
veganbikes
Clark W. Griswold
 
Join Date: Mar 2014
Location: ,location, location
Posts: 9,139

Bikes: Foundry Chilkoot Ti W/Ultegra Di2, Salsa Timberjack Ti, Cinelli Mash Work RandoCross Fun Time Machine, 1x9 XT Parts Hybrid, Co-Motion Cascadia, Specialized Langster, Phil Wood Apple VeloXS Frame (w/DA 7400), Cilo Road Frame, Proteus frame, Ti 26 MTB

Mentioned: 39 Post(s)
Tagged: 0 Thread(s)
Quoted: 2576 Post(s)
Liked 1,646 Times in 1,099 Posts
Do you think it is safe to drill into carbon? That one is on you. Personally if you want a brake you should get a fork with a proper hole or purchase a bike for road use rather than just a track bike.

I would not drill into carbon ever for any reason unless maybe it were a solid block of carbon but even then the danger of carbon splinters is not worth it at all.
veganbikes is offline  
Likes For veganbikes:
Old 10-03-21, 07:13 PM
  #3  
Rolla
Gyro Captain
 
Rolla's Avatar
 
Join Date: Sep 2020
Posts: 1,461

Bikes: 4 Singlespeeds, 2 Gearies

Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 616 Post(s)
Liked 1,563 Times in 696 Posts
Originally Posted by mathews023 View Post
Would it be safe to drill out?
Nope.

Originally Posted by mathews023 View Post
If not, could I use a clamp on caliper?
Nope. Even the Keirin clamp-ons say not use them on carbon, not that they'd fit anyway.





Originally Posted by mathews023 View Post
Any other options?
I suppose you could try a Seisakusho adapter, but shoving an expander wedge up into a carbon crown/steerer sounds like a bad idea.




I'd just buy a drilled steel fork.

Last edited by Rolla; 10-03-21 at 07:26 PM.
Rolla is offline  
Likes For Rolla:
Old 10-03-21, 08:39 PM
  #4  
TejanoTrackie 
Veteran Racer
 
TejanoTrackie's Avatar
 
Join Date: Jul 2009
Location: Ciudad de Vacas, Tejas
Posts: 11,540

Bikes: 29 frames + 74 wheels

Mentioned: 24 Post(s)
Tagged: 0 Thread(s)
Quoted: 1023 Post(s)
Liked 339 Times in 202 Posts
I'm not advocating that you try to drill the fork, however, unless it's a full carbon fork with a carbon steerer tube, then most likely the fork crown is aluminum, not carbon. So, theoretically it could be drilled safely. As to the Seisakusho adapter mentioned by Rolla , it would not fit since the fork crown will either not have an opening or the opening will be too small. I agree with the other posters that the best solution is to find a fork that matches your existing fork dimensions that is drilled for mounting a brake caliper.
__________________
What, Me Worry? - Alfred E. Neuman

Originally Posted by Dcv View Post
I'd like to think i have as much money as brains.
I see the light at the end of the tunnel, but the tunnel keeps getting longer - me
TejanoTrackie is offline  
Likes For TejanoTrackie:
Old 10-05-21, 03:02 PM
  #5  
sdimattia
Member
 
Join Date: Mar 2019
Location: NY
Posts: 262

Bikes: Wabi Classic, 2021 Trek Domane AL, 2001 Trek 6700 WSD, Surly Cycle Truck

Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 134 Post(s)
Liked 58 Times in 43 Posts
According to the Specialized page for your bike, only the legs are carbon. The crown and steerer are aluminum. There's another dude on the internet from a while ago who post a blog and said his fork was drilled for a front brake with no issue (though not by him).

https://www.specialized.com/us/en/la.../p/49862/specs

The 2013(?) Specialized Langster Pro I'm picking up in a few days is drilled for a front and rear brake.

(And for legal purposes, I'm not advocating for you to drill a hole in your fork or not. I'm only stating that it's been done).
sdimattia is offline  
Old 10-09-21, 09:46 PM
  #6  
veganbikes
Clark W. Griswold
 
Join Date: Mar 2014
Location: ,location, location
Posts: 9,139

Bikes: Foundry Chilkoot Ti W/Ultegra Di2, Salsa Timberjack Ti, Cinelli Mash Work RandoCross Fun Time Machine, 1x9 XT Parts Hybrid, Co-Motion Cascadia, Specialized Langster, Phil Wood Apple VeloXS Frame (w/DA 7400), Cilo Road Frame, Proteus frame, Ti 26 MTB

Mentioned: 39 Post(s)
Tagged: 0 Thread(s)
Quoted: 2576 Post(s)
Liked 1,646 Times in 1,099 Posts
If you are the original owner of the bike and purchased it through an authorized dealer you have a lifetime warranty on the frame and fork. You will absolutely void the warranty if you drill it. Specialized does stand behind their product (when my old Langster got a crack in the B.B. they replaced it with a new one).
veganbikes is offline  

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 - Do Not Sell My Personal Information -

Copyright 2021 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.