Go Back  Bike Forums > Bike Forums > Commuting
Reload this Page >

How to mount a fender if the fork crown is not drilled

Search
Notices
Commuting Bicycle commuting is easier than you think, before you know it, you'll be hooked. Learn the tips, hints, equipment, safety requirements for safely riding your bike to work.

How to mount a fender if the fork crown is not drilled

Thread Tools
 
Search this Thread
 
Old 11-06-09, 04:33 PM
  #1  
Senior Member
Thread Starter
 
Join Date: Jul 2008
Posts: 536
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Liked 1 Time in 1 Post
How to mount a fender if the fork crown is not drilled

Hi there,

I just got a new bike, and would like to put permanant fenders on it. I don't think mounting the rear will be a problem, but I am lost at how to go about mounting the front fender. The fork is carbon, and is not drilled. I've done some searching and it seems most fenders for sale require a hole at the crown to mount properly. Any advice on how to go about this is appreciated. Thanks.
gospastic is offline  
Old 11-06-09, 04:51 PM
  #2  
Papaya King
 
waynesworld's Avatar
 
Join Date: Aug 2005
Location: Columbus, Ohio (Grandview area)
Posts: 1,640

Bikes: 2009 Felt X City D, 1985 (?) Trek 400, 1995 (?) Specialized Rockhopper, 1995 Trek 850

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 2 Times in 2 Posts
Maybe try these:

https://ecom1.planetbike.com/7017.html

I've never used them, but I'll bet someone on here has.
waynesworld is offline  
Old 11-06-09, 04:54 PM
  #3  
LAJ
So it is
 
LAJ's Avatar
 
Join Date: Sep 2008
Location: Westminster, CO
Posts: 21,345

Bikes: Luzerne, 684, Boreas, Wheelhouse, Alize©®, Bayamo, Cayo

Mentioned: 246 Post(s)
Tagged: 1 Thread(s)
Quoted: 11401 Post(s)
Liked 4,756 Times in 2,766 Posts
https://www.renehersestore.com/servle...are/Categories

Any of the hardware listed there give you any ideas?
LAJ is offline  
Old 11-06-09, 04:59 PM
  #4  
Senior Member
 
Kojak's Avatar
 
Join Date: Feb 2009
Location: PNW - Victoria, BC
Posts: 1,486

Bikes: 2002 Litespeed Vortex - 2007 Trek Madone 5.9 - 2004 Redline Conquest Pro - Specialized S-Works Festina Team Model - 93 Cannondale M 800 Beast of the East

Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 6 Post(s)
Likes: 0
Liked 1 Time in 1 Post
Great product, and an interesting name.

https://rivercitybicycles.com/product...ackets-737.htm
Kojak is offline  
Old 11-06-09, 05:12 PM
  #5  
xtrajack
 
xtrajack's Avatar
 
Join Date: Aug 2008
Location: Maine
Posts: 2,058

Bikes: Kona fire mountain/xtracycle,Univega landrover fs,Nishiki custom sport Ross professional super gran tour Schwinn Mesa (future Xtracycle donor bike)

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
My fenders that I ordered with my Xtracycle came with a funny plastic piece, that allowed me to attach my front fender with zip ties. The fenders were/are Planet Bike, I am not sure of the model name.
xtrajack is offline  
Old 11-06-09, 05:29 PM
  #6  
Senior Member
 
Join Date: Jul 2008
Location: Knoxville, TN
Posts: 909

Bikes: Klein

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
How is the front brake mounted?
Steve530 is offline  
Old 11-06-09, 08:25 PM
  #7  
Senior Member
Thread Starter
 
Join Date: Jul 2008
Posts: 536
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Liked 1 Time in 1 Post
Originally Posted by Steve530
How is the front brake mounted?
the bike has disc brakes.
gospastic is offline  
Old 11-06-09, 10:05 PM
  #8  
elcraft
 
Join Date: Sep 2008
Location: Greater Boston
Posts: 819
Mentioned: 5 Post(s)
Tagged: 0 Thread(s)
Quoted: 144 Post(s)
Liked 103 Times in 72 Posts
You could make an "expanding plug" type of mount for the hole in the bottom of fork (under the steerer tube) Drill through the the center of a black rubber plug (like the ones from High school chemestry- they are available at Home Depot) that is slightly loose in the hole. Use a nut and bolt with a pair of washers to "sandwich" the plug. When you tighten the bolt; the washers squeeze the plug "fatter"so it wedges in the hole. If you drill a hole in the fender and the feed the bolt up through the fender, and then into the "rubberplug sandwich" it can be secured inthe steerer tube hole. You might have to cut a "key" or metal "barb" in the washer nearest the nut, to limit the nut from turning while you tighten it. Look an old Velox Handle bar plug or an automotive "replacement Freeze plug" if itis not clear what I am talking about. Or Pm me and Ill send a drawing via email.
elcraft is offline  
Old 11-07-09, 01:49 AM
  #9  
Senior Member
Thread Starter
 
Join Date: Jul 2008
Posts: 536
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Liked 1 Time in 1 Post
thanks elcraft, that makes sense. i will try that.
gospastic is offline  
Old 11-07-09, 09:10 AM
  #10  
Senior Member
 
CliftonGK1's Avatar
 
Join Date: Jul 2006
Location: Columbus, OH
Posts: 11,375

Bikes: '08 Surly Cross-Check, 2011 Redline Conquest Pro, 2012 Spesh FSR Comp EVO, 2015 Trek Domane 6.2 disc

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 5 Post(s)
Likes: 0
Liked 7 Times in 6 Posts
The expandable plug version of a fork crown daruma is likely the best bet. On a carbon fork, you'll want to avoid anything like clips and zip ties. For a non-homebrew solution, a couple companies make an expandable wedge star-fangled nut/stem cap replacement which might work.

The concern with an expandable plug on a carbon fork is that you're setting it below the level of the steerer tube (if the fork even has a metal steerer section), and placing forces on it which it was never designed for. I'm not one of those "OMG ur carbon forkz r gonna brake and killz u!" guys, either. Just saying that if you go with the expando-plug daruma bolt, don't overtighten it.
__________________
"I feel like my world was classier before I found cyclocross."
- Mandi M.
CliftonGK1 is offline  
Old 11-07-09, 11:41 PM
  #11  
Senior Member
 
mechanicalron's Avatar
 
Join Date: Aug 2008
Location: Downtown Detroit, Mi.
Posts: 781

Bikes: Surly LHT, 94 Cannondale track bike, 80's Cannondale track bike, 60's Raleigh 5 speed, 1888 Eldridge wood wheel track bike and my old 76 DG BMX from when I was a kid.

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Originally Posted by elcraft
You could make an "expanding plug" type of mount for the hole in the bottom of fork (under the steerer tube) Drill through the the center of a black rubber plug (like the ones from High school chemestry- they are available at Home Depot) that is slightly loose in the hole. Use a nut and bolt with a pair of washers to "sandwich" the plug. When you tighten the bolt; the washers squeeze the plug "fatter"so it wedges in the hole. If you drill a hole in the fender and the feed the bolt up through the fender, and then into the "rubberplug sandwich" it can be secured inthe steerer tube hole. You might have to cut a "key" or metal "barb" in the washer nearest the nut, to limit the nut from turning while you tighten it. Look an old Velox Handle bar plug or an automotive "replacement Freeze plug" if itis not clear what I am talking about. Or Pm me and Ill send a drawing via email.
That would work good, I like it.
mechanicalron is offline  
Old 11-07-09, 11:55 PM
  #12  
Real Men Ride Ordinaries
 
fuzz2050's Avatar
 
Join Date: Sep 2008
Posts: 3,723
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 17 Post(s)
Likes: 0
Liked 3 Times in 3 Posts
step 1 :turn bike upside down
step 2: remove front wheel
step 3: drink bottle of wine, insert cork into bottom of steerer tube
step 4: drill flat head screwdriver through fender into cork

Tada.
fuzz2050 is offline  
Old 11-08-09, 12:02 AM
  #13  
Cycle Year Round
 
CB HI's Avatar
 
Join Date: Mar 2005
Location: Honolulu, HI
Posts: 13,644
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 1316 Post(s)
Liked 92 Times in 59 Posts
Just get the Planet Bike fenders in the first link. They work well with the disk brakes too.

I have sets on two bikes that have been great.
CB HI is offline  
Old 11-08-09, 10:13 AM
  #14  
Randomhead
 
Join Date: Aug 2008
Location: Happy Valley, Pennsylvania
Posts: 24,396
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
Liked 3,696 Times in 2,517 Posts
I thought most carbon forks don't have a hole at the bottom of the steerer
unterhausen is offline  
Old 11-08-09, 03:30 PM
  #15  
Senior Member
Thread Starter
 
Join Date: Jul 2008
Posts: 536
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Liked 1 Time in 1 Post
there is a hole at the bottom of the steerer, but it's really small, like 1/4 in diameter. is this big enough to work with?
gospastic is offline  
Old 11-08-09, 04:32 PM
  #16  
Randomhead
 
Join Date: Aug 2008
Location: Happy Valley, Pennsylvania
Posts: 24,396
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
Liked 3,696 Times in 2,517 Posts
1/4" is plenty, but that does mean you'll have to figure out your own solution
unterhausen is offline  
Old 11-08-09, 10:19 PM
  #17  
Cycle Year Round
 
CB HI's Avatar
 
Join Date: Mar 2005
Location: Honolulu, HI
Posts: 13,644
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 1316 Post(s)
Liked 92 Times in 59 Posts
Originally Posted by gospastic
there is a hole at the bottom of the steerer, but it's really small, like 1/4 in diameter. is this big enough to work with?
Then just use two plastic tie wraps to hold the fender to the hole.
CB HI 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
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



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.