Campagnolo Veloce compatibility - small rear derailleur with larger (29 or larger) cassette? I recently bought myself a second-hand Condor Fratello. It is fitted with Campy Veloce (mix) groupset, currently with a 12-25 cassette. I'm coming from riding a 105 (11-32 cassette) for years, and this new ratio is really tough for me. So, I want to upgrade the rear cassette and chain, but keep the other existing hardware.
As far as I can tell, I have a short Veloce rear derailleur (Given that you can buy two versions of this derailleur, a 'short' or 'medium' version, see here: https://www.chainreactioncycles.com/campagnolo-veloce-10sp-rear-derailleur/rp-prod57880). See below for a photo of the derailleur as it's mounted to the bike.
Here's my question: I'd love to get a cassette that provides the 'easiest' gearing possible, ideally something close to the ratio I had on my 105. Will the Veloce 13-29 (https://www.wiggle.co.uk/campagnolo-veloce-10-speed-cassette) work with this derailleur? Moreover, could I go ahead and grab a Campy cassette from a different product range with an even more comfortable gear ratio?
All the Campagnolo deraileurs of that era were rated for 29t. If you want to try 32, you will need to find a mid Potenza derailleur (which despite being branded 11sp, will work properly with your 10sp shifters) and use an aftermarket 10sp cassette that provides the 32t sprocket.