Need help choosing rear hub for Soma San Marcos

[Ashwath Akirekadu]

I've ordered Campy Veloce groupset.  Having a hard time finding Campy hub in silver color.  

What is the axle width for this bike?  100mm or 130mm?  

Also, would Tiagra rear hub work with Campy cassette?

[Tim Gavin]

Rear axle Over Locknut Diameter (OLD) is 130 mm for the San Marcos. The Tiagra rear hub would fit the frame, but the freehub won't support a Campagnolo cassette.

The Velo Orange Gran Cru rear hub is available in 130 mm OLD and a Campagnolo freehub body, for $160. I'm very happy with mine.

http://store.velo-orange.com/index.php/components/wheelsets-rims-hubs/hubs/grand-cru-4-bearing-hub.html

The freehub pawls were a bit noisy at first; I added a tiny dab of grease to each to quiet them.

Sent from my iPhone

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[Belopsky]

ooooo..Ashwath looks like you got some reading to do!

Shimano wont work with Campy. I think there are ways to go about it where it does, but basically just don't. I think you need special cables as well for Campy bits?

Rear is 130mm. There are many hubs that support Campy, but they have to be Campy specific.. Are you building your own wheels?

[Alex Wirth- Owner, Yellow Haus Bicycles]

Velo Orange has some nice hubs and prebuilt wheels available that would match the campy look nicely.  They have an option at checkout to select a shimano or campy freehub body.  If you already have a Tiagara wheel and you like the finish you could always just swap out the freehub body only (VO sells them, just be sure to remove the existing body in your tiagara hub to confirm it's the same configuration).

Or!  Get some Silver hubs from Riv...although I am not seeing them on the site...

[Dan McNamara]

The VO hub is a good option. 

The White Industries T11 is another - although more expensive. Ben's Cycles has the silver campy version for about $240. 

Ben's also has a Miche hub set with a Campy rear - don't know anything about that set but might be worth research. 

You could run a Shimergo setup but you will loose minimum one gear depending how you set it up. I have a Campy ergo 10-speed shifting a Shimano 8-speed cassette on one bike. It shifts great front and rear. Might be worth research. 

Dan

[Justin August]

In addition to everything noted you used to be able to get cassettes customized with Shimano cogs but using Campy spacers so that you get the right spacing to fit the indexing but with Shimano/SRAM cog and hub compatibility.

-Justin

[Steve Palincsar]

On 11/23/2016 11:45 AM, Justin August wrote:
> In addition to everything noted you used to be able to get cassettes customized with Shimano cogs but using Campy spacers so that you get the right spacing to fit the indexing but with Shimano/SRAM cog and hub compatibility.
>

From where, and is something like this still available?

[Igor Belopolsky]

Here's a quick search http://wheelsmfg.com/products/rear-drivetrain.html

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[Dan McNamara]

And a 10-speed option: 

http://www.probikekit.com/bicycle-cassettes-sprockets/ambrosio-cassette-shimano-fit-for-campagnolo-10-speed/10768425.html

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[Jim Bronson]

Buy a NOS older Campy hub, 9-11 are compatible.  Pre-2006 are especially good.  Campy made lots of silver ones.

 http://www.ebay.com/itm/CAMPAGNOLO-CENTAUR-REAR-HUB-36-HOLES-OS-BEARING-SYSTEM-/272454870554?hash=item3f6f93661a:g:JVIAAOSwcLxYE4CN

geez I sold mine on this group way too cheap, after checking eBay.  Had a Chorus and a Record hub, pre 2006 silver.  The Chorus had only been ridden a few miles.

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[Jim Bronson]

http://www.interlocracing.com/cassettes-freewheels/10-speed-elite-road-conversion-cassette

these are an expensive solution but if you want to use a Shimano hub with a Campy drivetrain.

Another solution is the Jtek Shiftmate, way cheaper.  Just use a Shimano hub and cassette with your Campy shifter and derailer.

http://www.jtekengineering.com/shiftmate/shiftmate-1/

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[Steve Palincsar]

On 11/23/2016 12:22 PM, Jim Bronson wrote:

http://www.interlocracing.com/cassettes-freewheels/10-speed-elite-road-conversion-cassette

these are an expensive solution but if you want to use a Shimano hub with a Campy drivetrain.

Another solution is the Jtek Shiftmate, way cheaper.  Just use a Shimano hub and cassette with your Campy shifter and derailer.

http://www.jtekengineering.com/shiftmate/shiftmate-1/

And I understand Campagnolo Ero 11 will shift a Shimano 9 speed drivetrain (i.e., Shimano hub, cassette & derailleurs) perfectly with no adapters required.

[Brewster Fong]

One option is to replace the Campy freehub body with one designed for Shimano cassettes.  Not sure if it works with a Veloce rear hub, but for the Record/Chorus/Centaur with the oversized axle, but there are a couple of options:

For standard 17mm axle, you will probably need this one:

http://www.totalcycling.com/en/Campagnolo-Freehub-Body-For-Shimano-891011-Speed---R1137139-17mm-alloy-axle/m-19018.aspx

For 9mm axle, it might be this one:

http://www.totalcycling.com/en/Campagnolo-Freehub-Body-For-Shimano-8910-Speed---R1134955-9mm-Steel-Axle/m-19019.aspx

You should verify which one will work with your specific hub if interested. Good Luck!

[Brewster Fong]

Apparently, there's also a Campy freehub body for shimano 8/9/10 cassette for a 12mm axle too:

 http://www.totalcycling.com/en/Campagnolo-Freehub-Body-For-Shimano-8-9-10sp-With-12mm-Axle/m-22417.aspx

Just need to figure out what size axle you have!

[Brewster Fong]

Actually, the 12mm axle might be the one you need as this description includes Mirage rear hub with cartridge bearings:

• Also known as Fulcrum R5-120, identical part
• Fits Campagnolo Bullet, pre-2013 Scirocco, pre-2014 Vento and Khamsin wheels including CX variants, Campagnolo Mirage, Veloce and 2007/8 Centaur hubs, Fulcrum Red Wind and pre-2014 Racing 4,
• For use with Fulcrum and Campagnolo wheels that use 12mm axles and sealed cartridge bearings
• For use with Shimano and SRAM 8, 9, 10 and 11 speed cassettes
• Replaces FH-BU015X, WH-KX9 and R5-020

Note - Fulcrum and Campagnolo are related. I believe Fulcrum is Taiwan made Campy parts.

link:  https://www.amazon.com/Fulcrum-Campagnolo-Freehub-Shimano-Cassettes/dp/B00BNZZ678/ref=sr_1_2?s=outdoor-recreation&ie=UTF8&qid=1479934913&sr=1-2&keywords=campagnolo+freehub+body+for+shimano

So, the Total Cycling hub at $41 is a great deal, if it fits!  Good Luck! 

[CMR]

11 speed shimano and campagnolo cassettes are compatible too, what group do you have?

[Ashwath Akirekadu]

Thanks Tim!

I'm going with VO.  More $$ than I wanted to spend, but other options are a bit too complicated for me at current skill level :)

[Ashwath Akirekadu]

@Belopsky: Agreed!   I there's a lot to know before I can pull off this project :)   I'm learning fast though.

I'm getting wheels built by Rich Lesnik (the official wheel builder at Riv).

Already placed an order for Velocity Atlas front with SP dynamo.