The Chainlink

Needed: 105 Double 5600 (or newer/better) Front Derailer

Bah!  I am building up my newest commuter.  Found a used groupo off ebay, lined up a buyer on my current bike, and just ordered my frame, headset, and brakes from my LBS.  

However, in doing some research on actually building the damn thing, I found I've made a tiny mistake.  My FD is a 34.9 clamp....the Surly Crosschecks are 28.6 Diameter.  

So I ask, does anyone have a spare double Shimano 105 (or better) Front sitting around.  Need it to be able to support a 10 speed, so Tiagra/Sora will not work as a replacement, IIRC.  

Gonna call Yojimbos tomorrow and see what they have lying around...any other places I might be able to pick one up on the cheaps?  

Views: 208

Reply to This

Replies to This Discussion

does it HAVE to be a clamp-on?

i have an unused braze-on FD5600 that came on my tt bike that i just took off as soon as i unboxed it.

I'm not entirely sure but I think SRAM road FDs will also work and be compatible.  If that's the case, you could probably get an apex fd for less than a 105.

Just shim it: $2.

Sadly, yes, it has to be a clamp on.  

zerofivenein said:

does it HAVE to be a clamp-on?

i have an unused braze-on FD5600 that came on my tt bike that i just took off as soon as i unboxed it.

I could shim if it was 31.8 to 28.6....I don't believe I can shim 34.9 down to 28.6


milkbar said:

Just shim it: $2.

They do not make a shim to go from 34.9 to 28.6.  You *could* use a pair of shims or build it up with rubber tape but I would not consider that ideal...

Sram FD will work as will a FD that is not 10 speed specific if you find one.

You can also use a braze-on FD by simply purchasing a braze-on adapter for the tube size of your bike. 

I will check today when I am at the shop but we may have a 105 FD that will work for you that has been lying around for some time...

Thanks Dug, let me know if you do and I'll swing by after work.  

The Shimano 770s (of 2003-2007?) did come with aluminum 28.6-34.9 shims. I used to have a box of them, but couldn't even give them away. I have dozens of NOS Dura-Ace and Ultegra 28.6 mechs if you need one, $20. But it sounds like you're set!

No dice; I thought we had one but I can't find it.

Perhaps this is a sign that you should consider simplifying your build. 5 gears is 2 to 4 more gears than necessary for commuting in Chicago. 

Do you have any Front Mech's that support 2x10 setup?

milkbar said:

The Shimano 770s (of 2003-2007?) did come with aluminum 28.6-34.9 shims. I used to have a box of them, but couldn't even give them away. I have dozens of NOS Dura-Ace and Ultegra 28.6 mechs if you need one, $20. But it sounds like you're set!

The bike will primarily be a commuter, but I plan to use it for weekend riding, centuries, and maybe even a couple day touring ride in the future, so I'm going for the wider range.  

Tony Adams 6.6 mi said:

Perhaps this is a sign that you should consider simplifying your build. 5 gears is 2 to 4 more gears than necessary for commuting in Chicago. 

Reply to Discussion

RSS

© 2008-2013   The Chainlink Community, L.L.C. Julie Hochstadter, Director   Powered by

Disclaimer  |  Report an Issue  |  Terms of Service