Installing Drop Levers on Small Diameter Handlebar
I am in the process of swapping the porteur handlebar on my Peugeot to a dropbar that I have laying around the basement and which I received from rhm a few months back. Because the diameter of the bar (22.2mm) is too small for the clamp on the lever (23.8mm), it will not tighten sufficiently. Here are my questions:
Thanks folks! |
A lot of those clamps came in sizes, might want to dig through a box at the co-op or your LBS. Not sure a soft matl shim is going to be stable enough
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Originally Posted by wrk101
(Post 14625244)
A lot of those clamps came in sizes, might want to dig through a box at the co-op or your LBS. Not sure a soft matl shim is going to be stable enough
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I agree. Best to have the right clamp, or, failing that, I would shim it with appropriately sized alum. shim stock (usually available at the lhs) rather than something pliable.
[edit] Nothing wrong with the soda can material, but it's going to be too thin I think. I'd rather just have one piece the right thickness rather than several wraps of something thin. |
Originally Posted by due ruote
(Post 14625269)
I agree. Best to have the right clamp, or, failing that, I would shim it with appropriately sized alum. shim stock (usually available at the lhs) rather than something pliable.
[edit] Nothing wrong with the soda can material, but it's going to be too thin I think. I'd rather just have one piece the right thickness rather than several wraps of something thin. |
Cut a couple of strips from the soda can, epoxy them together to the desired thickness and install your levers.
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Originally Posted by fender1
(Post 14625423)
Cut a couple of strips from the soda can, epoxy them together to the desired thickness and install your levers.
The strips glued together with epoxy idea sounds workable to me. |
What kind of levers? For some reason I have a lot more 22.2 mm clamps than 23.8 mm clamps. And a lot more 23.8 mm drop bars than 22.2 mm drop bars.
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I've had good luck with a scrap of copper flashing on one or two bikes before.
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Originally Posted by rhm
(Post 14625603)
What kind of levers? For some reason I have a lot more 22.2 mm clamps than 23.8 mm clamps. And a lot more 23.8 mm drop bars than 22.2 mm drop bars.
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Originally Posted by YoKev
(Post 14625609)
I've had good luck with a scrap of copper flashing on one or two bikes before.
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Originally Posted by photogravity
(Post 14625864)
The levers are Weinmann. They were on the Carlton originally.
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Originally Posted by photogravity
(Post 14625868)
Unfortunately, I don't have any copper flashing or any flashing laying around that I'm aware of.
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just got to the coop and the the right ones- the bigger ones are more valuable to you when you need them.
I got plenty of 22mm ones and wish i hade more bigger ones. |
Originally Posted by rhm
(Post 14625603)
What kind of levers? For some reason I have a lot more 22.2 mm clamps than 23.8 mm clamps. And a lot more 23.8 mm drop bars than 22.2 mm drop bars.
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There's no need to shim the clamps. Send me an email if you need a pair of 22.2mm clamps to fit Dia Compe/Weinmann levers.
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Installing Drop Levers on Small Diameter Handlebar
Thanks for the input guys. I think I have a set of 22.2 clamps on the way. WRT the co-op having them available, the closest one is 50 miles away. The LBS is a very small operation and I'm supporting him to the extent possible, but he has very little stuff in stock. He knows I'm a different animal with my bikes and won't get much direct business from me since my bikes are so old, but he knows I'll get consumables from him and will send people his way.
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