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Old 09-08-05, 02:11 PM   #1
jph6t
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Attaching lock to bike?

Does anyone have any suggestions on the best way to attach a ULock to my bike?

I currently have a standard size ULock (but would be willing to buy a new one, like a mini, if that would solve my problem). I used to attach the ULock to my seatpost with the lock hanging down behind the seat. However, after a knee injury ended my running days ... doing rehab on the bike ... and realizing that biking is WAY more fun than running ... I've been taking longer and longer rides. But in going farther and farther from home, not carrying the tools & spare tube necessary to repair a flat is not really an option. As such, I got a wedge bag to hang under my seat ... but now the ULock won't fit there (without hanging out to the side and hitting my thigh)! I have two water bottle cages so a normal size ULock won't fit inside my frame very easily. A mini might fit, but I worry about putting a ULuck inside the frame ... cause if it moves while cornering it would hit my leg.

So that's where I'm at. And I'm looking for a work-around.

I thought of getting a cable lock ... which would easily fit around the remaining space on my seatpost ... but the salesperson at the store said that cable locks aren't secure enough for a bike ... and only good for securing wheels and other quick release elements to the frame. Anyone know if the armoured version of cable locks are good enough?

I thought of getting a rack ... like you would use for a trunk ... and attach the ULock to that. This option would certainly work. But now I just added the weight of a rack to my bike, and I don't think I will need a trunk anytime soon.

The guy in the store said I need to wear a backpack and put the lock in there, but I'm sure someone will sympathize with me that on a 90-plus degree day ... a backpack can get uncomfortable pretty quickly.

I can't believe there isn't another option out there I don't know about. I have a 21 inch frame, so I have more space to play with than most. What do people with smaller frames do? (By the way, I already have a headlight and computer attached to my handlebar so putting the ULock there isn't an option)
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Old 09-08-05, 02:18 PM   #2
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Hey Buddy,

I just got a new U lock and their suggested places just did nto work for me. I attached mine to the frame below the seat post and have it angled slightly so it sits as close as possibel to the frame. It is how my LBS recomended doing it.

They also said you can mount it on the handle bars which I thought looked too dumb so i stayed away from t hat option.
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Old 09-08-05, 02:34 PM   #3
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Old 09-08-05, 03:01 PM   #4
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Hey Buddy,

I just got a new U lock and their suggested places just did nto work for me. I attached mine to the frame below the seat post and have it angled slightly so it sits as close as possibel to the frame. It is how my LBS recomended doing it.

They also said you can mount it on the handle bars which I thought looked too dumb so i stayed away from t hat option.
I agree. I tried various handlebar methods, including TwoFish, and found them to be a bit too much fuss with lights, computer, suspension lock-out knob, etc. The seatpost method centralizes the mass a bit and works pretty well for me.
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Old 09-08-05, 03:10 PM   #5
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I bungee cord my ulock to my rack. I didn't understand if you said you had added a rack or if you decided not to do so. Sometimes I put it in a sack that is like a backpack and strap that to rack with other stuff inside.
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Old 09-08-05, 04:13 PM   #6
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No, I don't have a rack ... and was trying to avoid getting one unless I had to.

So am I correct in assuming the two users above who put their ULocks on the seatpost do NOT have bags under their seats?
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Old 09-09-05, 06:23 AM   #7
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Originally Posted by jph6t
Does anyone have any suggestions on the best way to attach a ULock to my bike?

I currently have a standard size ULock (but would be willing to buy a new one, like a mini, if that would solve my problem). I used to attach the ULock to my seatpost with the lock hanging down behind the seat. However, after a knee injury ended my running days ... doing rehab on the bike ... and realizing that biking is WAY more fun than running ... I've been taking longer and longer rides. But in going farther and farther from home, not carrying the tools & spare tube necessary to repair a flat is not really an option. As such, I got a wedge bag to hang under my seat ... but now the ULock won't fit there (without hanging out to the side and hitting my thigh)! I have two water bottle cages so a normal size ULock won't fit inside my frame very easily. A mini might fit, but I worry about putting a ULuck inside the frame ... cause if it moves while cornering it would hit my leg.

So that's where I'm at. And I'm looking for a work-around.

I thought of getting a cable lock ... which would easily fit around the remaining space on my seatpost ... but the salesperson at the store said that cable locks aren't secure enough for a bike ... and only good for securing wheels and other quick release elements to the frame. Anyone know if the armoured version of cable locks are good enough?

I thought of getting a rack ... like you would use for a trunk ... and attach the ULock to that. This option would certainly work. But now I just added the weight of a rack to my bike, and I don't think I will need a trunk anytime soon.

The guy in the store said I need to wear a backpack and put the lock in there, but I'm sure someone will sympathize with me that on a 90-plus degree day ... a backpack can get uncomfortable pretty quickly.

I can't believe there isn't another option out there I don't know about. I have a 21 inch frame, so I have more space to play with than most. What do people with smaller frames do? (By the way, I already have a headlight and computer attached to my handlebar so putting the ULock there isn't an option)

I have a 13" frame on my mountain bike and mounting a regular size U-lock no matter what the angle near the back of the bike caused problems. I therefore mount the lock on the handle bar stem....not the handlebar itself. Here are some pics to give you some ideas. Note that the Kryptonite lock I got came with an adjustable bracket so therefore I can really play with the positions alot. I can either mount the lock horizontally which is what I do or I can mount it vertically like a shark fin. Hope this gives you some ideas.
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Old 09-09-05, 07:11 AM   #8
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How to keep a u-lock on a bike while you ride?
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Old 09-09-05, 02:42 PM   #9
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Originally Posted by jph6t
No, I don't have a rack ... and was trying to avoid getting one unless I had to.
So am I correct in assuming the two users above who put their ULocks on the seatpost do NOT have bags under their seats?
Not correct. I have a standard wedge with the usual break-down goodies. I put the clamp on the seat TUBE just below the top tube and to the right. Just above the crankset. The u points down with the lock bar parallel to the top tube. Both water bottle cages work, my pump is still on the left side of the seat tube, and rack mounting points are un-encumbered should I add a full boat rack.

The handlebar stem method shown has also worked for me, but with two lights, computer, and stem top suspension lock-out knob things started to get a bit crowded for my tastes.
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Old 09-10-05, 01:27 PM   #10
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Originally Posted by CastIron
Not correct. I have a standard wedge with the usual break-down goodies. I put the clamp on the seat TUBE just below the top tube and to the right. Just above the crankset. The u points down with the lock bar parallel to the top tube. Both water bottle cages work, my pump is still on the left side of the seat tube, and rack mounting points are un-encumbered should I add a full boat rack.

The handlebar stem method shown has also worked for me, but with two lights, computer, and stem top suspension lock-out knob things started to get a bit crowded for my tastes.
Yeah, I don't think the handlebar method is for me ... for the same reasons your described.

I don't know how you fit your lock though!
Where you have yours is where I was hoping to put my lock/tried to after getting my wedge bag and it just didn't fit. Granted I currently have a larger lock (ATB style) that if mounted below the wedge back would rub against the struts going down to the rear wheel. But even if I got a shorter ULock that did fit ... I couldn't get it far enough under the seat (in line with the frame). It hung out to the side to far and hit my leg while riding.
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Old 09-10-05, 02:02 PM   #11
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Here's how I mounted my OnGuard U-lock. The lock's mounting bracket is mounted on the portion of the seat tube above the top tube. I could not get the bracket on the lower portion, the tube diameter seems too large (despite OnGuard's claim of universality), but by removing the seat clamp, I was able to slip it on that top portion without having to open the mounting bracket's clamp. I did not want it on my seat post, I have other stuff there (removed for the photo). On the seat stay, a length of velcro tape keeps it secure so it does not rattle and is more sturdy going over bumps, having two support points. In my case, the velcro also goes around the brake mounting point.
Thanks for the pics!

Yeah, I guess that would probably work on my frame. Is it far enough in though that the lock and/or bracket doesn't hit your leg? That has been my problem. The lock has to be pretty much near in line wit the frame else my leg hits it.

I guess I didn't try mounting it that low though ... as I didn't want to rub the paint of the strut ... and didn't want to deal with the noise of the lock hitting the same point. But by adding the velcro I guess you solved the noise part at least (assuming it still rubs the paint off a little bit).
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Old 09-11-05, 05:19 PM   #12
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Thanks for the pics!

Yeah, I guess that would probably work on my frame. Is it far enough in though that the lock and/or bracket doesn't hit your leg? That has been my problem. The lock has to be pretty much near in line wit the frame else my leg hits it.

I guess I didn't try mounting it that low though ... as I didn't want to rub the paint of the strut ... and didn't want to deal with the noise of the lock hitting the same point. But by adding the velcro I guess you solved the noise part at least (assuming it still rubs the paint off a little bit).
It does not hit my legs or feet. the lock is not exactly parallel with the bike frame, it is closer to the frame at the front than the back.

The OnGuard has the U-shackle coated in tough but soft plastic so it does not rattle. The paint will eventually wear through due to dust, but I don't have it one the bike most of the time, so that's OK. If I did have it more often, I would probably think of some protective pad.
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Old 09-11-05, 05:55 PM   #13
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3 velcro cable ties...the nice ones that have teh hole in one end to loop them so they can't be yanked off. How you set the ties to attatch your lock to the seattube and the left side rear triangle is up to you.
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Old 09-11-05, 10:48 PM   #14
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There was and probably still is a company that makes a bracket that clips to the seatpost. It holds the lock part of the lock. The lock goes through the area between the seat stays and seat tube. Heres the first one I cared to find online.

http://cgi.ebay.com/ws/eBayISAPI.dll...category=58100

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Old 09-13-05, 08:34 AM   #15
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There was and probably still is a company that makes a bracket that clips to the seatpost. It holds the lock part of the lock. The lock goes through the area between the seat stays and seat tube. Heres the first one I cared to find online.
Eric -

Now we're talking ... some original suggestions ... I've never seen a mount like this. With this the ULock sits perpendicular to the frame correct?

One question though. With the ULock hanging like that ... it's gonna be (depending on the size ULock) about 5-6 inches across behind/under the seat. Won't this hit ones leg?

It's the straight/top part of the ULock that clips into this mount correct? Are you supposed to mount the lock upside down? With the U fed through the two support bars that are part of the seat?
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Old 09-13-05, 09:11 AM   #16
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I think he means the shackle rests on the seatstays of the bike frame, while the crossbar of the lock clips into the holder, which would be attatched to either the set tube or low on the seatpost.
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Old 09-13-05, 09:44 AM   #17
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I had a bracket that held the straight part of the lock next to the seat tube, with the U part going back by the rear wheel between the seat and chain stays. I now leave my U lock at work and only carry a cable lock on the bike, because I dont leave my bike unattended for more than a few seconds on my recreational rides.
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Old 09-13-05, 10:09 AM   #18
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Quote:
Originally Posted by jph6t
Eric -

Now we're talking ... some original suggestions ... I've never seen a mount like this. With this the ULock sits perpendicular to the frame correct?

One question though. With the ULock hanging like that ... it's gonna be (depending on the size ULock) about 5-6 inches across behind/under the seat. Won't this hit ones leg?

It's the straight/top part of the ULock that clips into this mount correct? Are you supposed to mount the lock upside down? With the U fed through the two support bars that are part of the seat?
It hangs down between the main seat tube and rear chainstays. behind where you sit. I never had mine hit my leg, tire or be a problem at all. You slide the strainght part of the lock into the holder, then the U part through the frame and lock it. It could go behind the rear chainstays too. Heres a picture of where I kept my lock on the frame as mentioned.



Check out this new Trek Soho, look at the cool lock mounting spot, the lock just drops in the bar hole area.


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Old 09-13-05, 10:19 AM   #19
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It hangs down between the main seat tube and rear chainstays. behind where you sit. I never had mine hit my leg, tire or be a problem at all. You slide the strainght part of the lock into the holder, then the U part through the frame and lock it. It could go behind the rear chainstays too. Heres a picture of where I kept my lock on the frame as mentioned.
Hmmm ... I got a feeling it's still gonna hit my leg.

I had mine mounted on my seatpost before, but in line with the frame instead of perpendicular to it as the mount you pictured above. And even with it in line with the frame, and it wasn't exactly in line (as there wasn't enough vertical space) but just slightly to either side. If the mount was any more than about 20 degrees off in line with the frame ... it would hit my leg. This mount would have the lock 90 degrees off that line (granted a little farther back ... but still)

Good try though! Thanks for the help.
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