Road bike: Change FSA Gossamer Chainset to Shimano 105

BeUseful · 20-10-2015 02:29PM #1

Hi All,

My FSA Gossamer Cyclocross Double 46-36 chainset broke down last week. I'm planning changing it into Shimano 105. I'm not sure about few things and hopefully you can help me:

1. Do I need to get different bottom braket or Shimano 105 chainset will be compatible with the current one?

2. Can I get different setup chainset i.e.50/34?

3. I'm not sure if I should do it myself as I like getting my hands on... or should I bring it to bike repair shop? Maybe there is someone out there who would be willing to change it? Obviously we talking $$$. PM about that if you interested. I'm based in Dublin 15.

Thanks a lot guys!!!

Pablo Rubio · 20-10-2015 06:06PM

You will probably need something like this.

http://www.wiggle.com/fsa-bb30-conversion-kit/

Thinking of doing the same thing with my focus mares

smacl · 20-10-2015 06:47PM

BeUseful wrote: »

I'm not sure if I should do it myself as I like getting my hands on... or should I bring it to bike repair shop?

I swapped out an ISIS splined threaded FSA BB last year and it was a bit of a nightmare tbh. Vice grips, a hammer, and brother in-law all came into play and it was a bit touch and go. If you got someone else to do it for not too much money, you may just save yourself a load of pain.

nilhg · 20-10-2015 07:47PM

If the OPs BB is still serviceable than these should do the trick with very little hassle.

http://www.wiggle.co.uk/wheels-manufacturing-bb30-to-24mm-crank-spindle-shims/

I'm using a similar setup (FSA though) that came with my Felt, no much problems as yet and the Wheels Manufacturing versions get better reviews.

RunDMC · 15-11-2016 03:29PM

Check out the Praxis Works version. It looks like a better solution than the simple collars.

https://www.praxiscycles.com/product/shimano-conversion-bb/

RunDMC

blueballfc · 15-11-2016 04:35PM

+1 Wheels Manufacturing

clog · 15-11-2016 07:16PM

What bottom bracket standard is the frame?. FSA gossamer can be either megaexo or bb30.

If its threaded/pressfit you just need to get the corresponding shimano BB, they are not that expensive, if it is a bb30 then you can use one of the adapters already suggested or fit a sleeve so a threaded bb can be used.

Road bike: Change FSA Gossamer Chainset to Shimano 105

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