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Bicycle Chain "Slap" Guard

Bicycle Chain \"Slap\" Guard
If you ride a mountain bike, you might have noticed that when you hit a large bump or jump the bike off an obstacle, your chain slaps the metal below it and makes unsightly scratches. This instructable uses an old bicycle tube to create a guard to prevent the chain from slapping your precious frame. Instead of buying an expensive "Lizard Skin" guard to prevent this, I made my own from things I already had lying around my house.

This is my First instructable, so please leave comments and let me know how i can improve for the future. :-)

 
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Step 1Step 1: Gather Materials

Step 1: Gather Materials
Step 1:
Gather Materials!

What you need:

Wire Cutters
Pliers (unless you have very strong hands)
Old bicycle Tube
Utility Knife (i used a box knife) -- Scissors just didn't seem to be able to cut the bicycle tube. :-\
Safety Wire -- i used something around a foot and a half, but this is a flexible amount, use whatever you have lying around
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31 comments
Mar 12, 2011. 9:07 PMdawsonj says:
so now, you can prevent ugly scratches with an uglier peice of tube?
however, if you have a carbon fiber bike, this is an excellent idea, because the chain cannot scratch and weaken the frame.
Aug 25, 2011. 3:28 PMadenecke1 says:
If your going to dish out the money for a carbon fiber bike you might as well just buy a real chain stay guard
Aug 26, 2011. 2:35 AMdawsonj says:
meh, maybe you were broke from buying the bike!

Nov 9, 2010. 7:24 AMO-Budd-1 says:
Instead of threading the wire thru to sew it on, you can use hog ring clips, available at hardware stores, to secure it.

Be sure to use hog ring pliers to install them ... a whole lot easier than regular pliers ( voice of experience).

Hog rings aren't just used for controlling pigs (they used to be clamped into a hog's nostril to connect a lead rope to) but they've also been used for years to fasten seat covers to seat frames in cars and trucks.

Btw, Try tin snips to cut the tube.
Nov 20, 2010. 5:26 AMit_dont_work says:
i always found a pair of scissors fine. and im not sure about the wire, i just use a couple of zip ties.
Jul 26, 2010. 12:33 PM2 stroke says:
what about using some hockey stick grip tape
Nov 11, 2007. 8:16 AMcamp6ell says:
so, instead of "unsightly scratches" you have an unsightly innertube...?
Dec 7, 2007. 1:20 PMbedbugg2 says:
...that you can replace when torn...
Dec 7, 2007. 4:57 PMcamp6ell says:
i mean it's unsightly before it's torn, so what's the point?
Jul 6, 2009. 3:31 PMcatboo22 says:
whats the point in arguing? think about that
Dec 8, 2007. 8:55 AMbedbugg2 says:
so it doesnt chip the paint off your frame you have just paid £40 to have it sprayed
Dec 8, 2007. 9:08 AMcamp6ell says:
so, which is better, crappy looking paint bring your bikes to me, btw, i'll paint chainstays for $40 all day long...), or crappy looking inner tube that also adds weight? the point is (and i'm still not sure you'll get it): why spend time and effort to make your bike look crappy (and heavier), when you can leave it alone and it'll still look crappy?
May 22, 2008. 9:54 PMbasscadetz says:
bike messengers have been using this trick for years, except one would wrap the entire frame with inner tube. couple of reasons. 1. paint protection (from locking it to a pole) 2. making a very expensive bike look like a beater, ei; less likely to get stolen 3. mad max would have done it
Dec 14, 2007. 11:53 PMLiaLinda says:
If you didn't have the protection of the inner tube there, the paint would chip and you'd end up with rust damaging your bike. You've come up with a practical solution, although I have to admit that it *is* ugly.

BTW: Good job on the instructable itself :-)
May 31, 2008. 6:54 AMcamp6ell says:
notice that the example is an aluminum frame...
Dec 8, 2007. 9:52 AMbedbugg2 says:
heavier?
May 20, 2008. 6:03 PMbenthekahn says:
i did something similar but i wrapped it. Heres a pic. Thanks for the inspiration. I cut a long strip of rubber about 1.5 inches wide and wrapped it. And about the ugly problem, just rotate it until the stitches are facing the wheel, then they wont be seen.
May 20, 2008. 9:18 PMbenthekahn says:
sure, no problem. I needed it for my bike hacks instructable anyways.
Jan 26, 2008. 4:46 PMthe stig06 says:
y dont u just use kwik grip and glue it instead of doin some weird ass sewing with wire?????
Dec 23, 2007. 8:53 PMubenice says:
You did a nice job on your first one. Keep it up.
Oct 31, 2007. 9:56 AMDiomedes says:
Another thing you can do to protect the frame is use heavy duty electrical cable wrap (I'm not sure if that is the proper name- its used to bundle large numbers of wires together neatly). It usually comes in black and clear, and is really easy to cut and wrap around the tube. Either zip-tie or use electrical tape on the ends, and it is good to go. It's held up for four years on my bike and worked perfectly.
Aug 5, 2007. 9:36 PMdbc1218 says:
This is great, I just blew a tube and I noticed my frame was getting scratched. I'm going to do this, this week, and I put up some pics. Great Idea!
Aug 5, 2007. 6:21 PMkillerjackalope says:
In extreme circumstances and for an extra taught chain take the guide arm of an old derailleur with cog assembly intact and the spring pushes the chain taught and away from the frame
Aug 4, 2007. 1:10 AMtheRIAA says:
mine never slaps, isnt the top always sposed to stay taught? mabee i'm not hardcore enough...
Aug 4, 2007. 3:56 PMll.13 says:
When freewheeling downhill/cross country, it tends to slap against the chainstay, I just use electricians tape though.
Aug 3, 2007. 5:27 PMrocknrollskwurl says:
welcome to instructables and good idea. ive got my share of scratches and might use this. the only thing is i think it would look better having a few scratches than an old intertube tyed on, but thats just me
Aug 3, 2007. 10:25 PMerfonz says:
Exactly what I was thinking.
Aug 3, 2007. 4:27 PMspook says:
Nice one, I did this with a section of old bike tyre and some black cable ties, it outlasted the bike!

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