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Discussion Starter #1
So this morning I was on my way to a doctor's appointment this morning when I had a very close call with my baby. Some of you know that I changed my chain guard out a while back for an aluminum one from, of all places, China... The counter-shaft sprocket guard didn't fit at all, but I did manage to get the regular chain-only part of the guard to mount up decently. Well, it ended up failing in the long run.

I was going down the street at about 55mph just avoiding potholes and cracks when it happened. I'm not sure how to describe the feeling or noise, but the chain guard manage to contact the tire. Needless to say, at 55mph any tire contact by something other than the road is not good. It ended up grabbing the guard and pulling it in. It tore the guard right off and sucked it down between the tire and singing arm, stopping the tire in the process... My heart stopped as the back end froze one second, then bucked up the next. I felt the tire skid a few times as it bounced, then started rolling again.

At this point I had no idea what had happened. I pulled over to the side of the road quickly and looked back to see what I may have hit. I wasn't seeing anything, so I decided to spin her around and cruise back by the spot. I saw something black and mangled laying in the road, but wasn't able to identify what it was. Stopping at a very close by gas station I jumped off the bike and started looking for damage. That's when I noticed that my chain guard was gone. It tore into the tire in a few places, though not all the way through the tread/rubber. I saw where it hit the swinging arm as it scratched it there too. The last bit of damage was to the mud guard, which ended up with a small chip at the corner.

I went back and picked up the item that I figured had to be the guard, and sure enough it was. I can't say that I did anything to save the bike, but I just tried to relax as much as I could and stayed off the brakes. She wobbled a teeny bit as she started rolling again, but still nothing too bad happened as she straightened herself out.

Lesson learned: If the part doesn't fit 100%, don't use it! The guard held up really well for many months, but eventually it did fail. I should have discarded it from the first day that I had to modify it to fit right and stay in place. In the long run it managed to wiggle out (even checked it the other day when I had Serenity inside for general maintenance & bolt security check). I did manage to bring the guard home, so I'll get some pics and get them uploaded soon. I have to try to get pics of the tire and swinging arm after it stops raining.
 

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Wow! That could have ended badly. When the :hitfan:you do your best to stay calm. Glad you and Serenity are ok and good to ride another day. Phew!
 

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So this morning I was on my way to a doctor's appointment this morning when I had a very close call with my baby. Some of you know that I changed my chain guard out a while back for an aluminum one from, of all places, China... The counter-shaft sprocket guard didn't fit at all, but I did manage to get the regular chain-only part of the guard to mount up decently. Well, it ended up failing in the long run.

I was going down the street at about 55mph just avoiding potholes and cracks when it happened. I'm not sure how to describe the feeling or noise, but the chain guard manage to contact the tire. Needless to say, at 55mph any tire contact by something other than the road is not good. It ended up grabbing the guard and pulling it in. It tore the guard right off and sucked it down between the tire and singing arm, stopping the tire in the process... My heart stopped as the back end froze one second, then bucked up the next. I felt the tire skid a few times as it bounced, then started rolling again.

At this point I had no idea what had happened. I pulled over to the side of the road quickly and looked back to see what I may have hit. I wasn't seeing anything, so I decided to spin her around and cruise back by the spot. I saw something black and mangled laying in the road, but wasn't able to identify what it was. Stopping at a very close by gas station I jumped off the bike and started looking for damage. That's when I noticed that my chain guard was gone. It tore into the tire in a few places, though not all the way through the tread/rubber. I saw where it hit the swinging arm as it scratched it there too. The last bit of damage was to the mud guard, which ended up with a small chip at the corner.

I went back and picked up the item that I figured had to be the guard, and sure enough it was. I can't say that I did anything to save the bike, but I just tried to relax as much as I could and stayed off the brakes. She wobbled a teeny bit as she started rolling again, but still nothing too bad happened as she straightened herself out.

Lesson learned: If the part doesn't fit 100%, don't use it! The guard held up really well for many months, but eventually it did fail. I should have discarded it from the first day that I had to modify it to fit right and stay in place. In the long run it managed to wiggle out (even checked it the other day when I had Serenity inside for general maintenance & bolt security check). I did manage to bring the guard home, so I'll get some pics and get them uploaded soon. I have to try to get pics of the tire and swinging arm after it stops raining.

Wow! I bet you had a little something in your shorts!! I would of crapped myself too! Glad you did not bring her down. Great job on not freaking out!:plus1::clap:
 

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Discussion Starter #4
Oh trust me when I say I was freaking out inside.. I just had to work hard to control the physical reaction to it. I almost grabbed a handful of front brake but stopped myself right as my fingers hit the lever. I just let it do what it was going to while my heart waited for it to straighten up before beating again.
 

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Oh trust me when I say I was freaking out inside.. I just had to work hard to control the physical reaction to it. I almost grabbed a handful of front brake but stopped myself right as my fingers hit the lever. I just let it do what it was going to while my heart waited for it to straighten up before beating again.
Are you sure it's going to be safe riding with chunks of rubber missing from the back tire? Id hate to see the tire under load and spring a leak while your driving! Just a thought Bro!
 

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Crazy! I got one of those chain guards as well. Didn't fit (like yours), and was heavier than the plastic by far so I didn't worry about making it fit. After hearing that, it doesn't sound like it would even be worth the danger as well.
 

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Discussion Starter #10
Thanks guys!

zfrilly- the one I got was much thinner than the stock one and aluminum, felt a little lighter than the stock guard to me, but also meant that the rear 8mm bolt that holds it on didn't actually clamp down on it. I ended up pulling a thick plastic washer in that made contact with the bolt and the guard, but after a while it ended up breaking around the bolt hole, which enabled it to "pop out" of position and contact the tyre.

BladeMan- It didn't actually take chunks out of the tyre, but it did penetrate some of the outter-rubber a little bit. I rode it home (about 20 miles) being very cautious and keeping the speed down. I waited a little bit and checked the tyre pressure, which is holding good, but haven't found a way to actually see how far it penetrated yet. I think I am going to get a plastic straw or zip-tie end and see how far in it goes, though it does not look to be more than an 1/8th inch or so into the rubber.

Been raining since yesterday so I haven't got a chance to get pictures yet. I got enough of a break to get the stock guard back on and check over the chain, which is unaffected, but it was too dark to grab pics. I'll grab a few of the mangled guard though, since that is inside.
 

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Thanks guys!

zfrilly- the one I got was much thinner than the stock one and aluminum, felt a little lighter than the stock guard to me, but also meant that the rear 8mm bolt that holds it on didn't actually clamp down on it. I ended up pulling a thick plastic washer in that made contact with the bolt and the guard, but after a while it ended up breaking around the bolt hole, which enabled it to "pop out" of position and contact the tyre.

BladeMan- It didn't actually take chunks out of the tyre, but it did penetrate some of the outter-rubber a little bit. I rode it home (about 20 miles) being very cautious and keeping the speed down. I waited a little bit and checked the tyre pressure, which is holding good, but haven't found a way to actually see how far it penetrated yet. I think I am going to get a plastic straw or zip-tie end and see how far in it goes, though it does not look to be more than an 1/8th inch or so into the rubber.

Been raining since yesterday so I haven't got a chance to get pictures yet. I got enough of a break to get the stock guard back on and check over the chain, which is unaffected, but it was too dark to grab pics. I'll grab a few of the mangled guard though, since that is inside.
Demon, sounds like you are going to be ok with the Tire! I would imagine that the aluminum would not have been able to penetrate all the way through the tire anyway! But keep checking the pressure and don't forget to wash those underwear you were wearing when it happened!:rotfl:
 

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On two occasions I've been up on one wheel when something strapped to the pillion seat has slid off the tail, hit the tyre, and been sucked in to lock up the rear wheel - sure brings the front down hard :)
 

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When we were kids racing BMX we used to play a game where we would throw rags into each other's rear sprockets on the track and lock up their rear. Good times...:thumb:
 

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Discussion Starter #14
On two occasions I've been up on one wheel when something strapped to the pillion seat has slid off the tail, hit the tyre, and been sucked in to lock up the rear wheel - sure brings the front down hard :)
Ummm, I think I would've poo'd myself if I had the front up.... I was already close to it with my rear bouncing and locked up (was very brief though) let alone having the front drop down... rather quickly =)
 

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Ummm, I think I would've poo'd myself if I had the front up.... I was already close to it with my rear bouncing and locked up (was very brief though) let alone having the front drop down... rather quickly =)

I got used to the front coming down hard on the '98 GSXR750, if the fuel level is below a certain level, but still way above reserve, it stops pumping fuel shortly after getting up :)
 

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Discussion Starter #16
Eeep, I guess it's no worse than getting used to the tail sliding a bit (getting used to this feeling myself). Probably even less freaky as it only comes straight down, and I'm sure we've all had our wheelie landing go bad and hit hard... just couldn't imagine it with the rear locked up to boot.... freaky idea.
 

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Discussion Starter #17
First pic for anyone that has not seen the Chinese chainguard as it was on the bike.

wheeltape2.jpg
 

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Discussion Starter #18
Here are a few of the mangled Chinese product.... Never again (except maybe rotors... but that thought is scary right now..)

cg1.jpg

cg2.jpg

cg3.jpg
 

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Pretty far off the chain, doesn't look like it's guarding much of anything. Maybe it's just the camera angle though. Probably would have been fine with a metal spacer. I was thinking about getting one to match my other RR pieces, bar ends brake reservoir caps, grips, etc., but now maybe not.
 

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Discussion Starter #20
Pretty far off the chain, doesn't look like it's guarding much of anything. Maybe it's just the camera angle though. Probably would have been fine with a metal spacer.
The stock one doesn't seem to sit much lower, though a little I suppose. I figure they are just there to stop you or a passenger from sticking your foot in the chain as well as stopping the lube from shooting up all over your under-tail. :shrug:
 
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