Have bike, will travel
I own a braze-on front derailleur and then purchase a frameset that requires a clamp-on front derailleur. Shimano offers a clamp that allows me to use the derailleur I already own.
I can buy the clamp for $15. I could also buy a new front derailleur with an integrated clamp for about $25.
Is the clamp, with a braze-on front derailleur, as stable and secure as the integrated front derailleur?
I can buy the clamp for $15. I could also buy a new front derailleur with an integrated clamp for about $25.
Is the clamp, with a braze-on front derailleur, as stable and secure as the integrated front derailleur?
Senior Member
Barrettscv, I use an adapter clamp on my triple roadie and prefer it to a clamp-on FD. One benefit is you can adjust FD height without moving the clamp, which can possibly damage the seat tube's paint.
Brad
Brad
Senior Member
Quote:
Brad
I use braze-on front derailleurs with adapter clamps by choice. The adapters are every bit as solid and stable as a clamp-on fd and more versatile. Originally Posted by bradtx
Barrettscv, I use an adapter clamp on my triple roadie and prefer it to a clamp-on FD. One benefit is you can adjust FD height without moving the clamp, which can possibly damage the seat tube's paint.Brad
Shimano's own adapter does not let you do any alignment or height adjustment with out moving the clamp as the derailleur is bolted to it solidly and in a fixed position. However, once you get the height and alignment set, you can remove and replace the derailleur itself, say for detail cleaning, with out having to do any readjustment.
Have bike, will travel
Quote:
Brad
Originally Posted by bradtx
Barrettscv, I use an adapter clamp on my triple roadie and prefer it to a clamp-on FD. One benefit is you can adjust FD height without moving the clamp, which can possibly damage the seat tube's paint.Brad
Quote:
Shimano's own adapter does not let you do any alignment or height adjustment with out moving the clamp as the derailleur is bolted to it solidly and in a fixed position. However, once you get the height and alignment set, you can remove and replace the derailleur itself, say for detail cleaning, with out having to do any readjustment.
Thanks!Originally Posted by HillRider
I use braze-on front derailleurs with adapter clamps by choice. The adapters are every bit as solid and stable as a clamp-on fd and more versatile. Shimano's own adapter does not let you do any alignment or height adjustment with out moving the clamp as the derailleur is bolted to it solidly and in a fixed position. However, once you get the height and alignment set, you can remove and replace the derailleur itself, say for detail cleaning, with out having to do any readjustment.
I'll be using the clamp.
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I'll be using the clamp.
which clamp?Originally Posted by Barrettscv
Thanks!I'll be using the clamp.
Have bike, will travel
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Front Derailleur ClampOriginally Posted by Bianchigirll
which clamp?
34.9 Clamp Size
Fits Braze-on Front Derailleurs
Manufacturer: Shimano
Manufacturer Part #: Y57Y91100
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Sorry I just could not resist. I used or rather installed a few of these shimanos back when I worked in shops. I have an aftermarket brazeon adapter clamp I got recently and it works pretty well.


