• Interesting, thank you!

    I'll be interested to hear how you go with this over the next couple of months.

    I've decided to just order a pair of the UR300 as it almost feels too cheap to miss for a functioning set of disc brakes! After scouring ebay I've also found an RS505 rear caliper listed as used but working, which they accepted an offer of £15 for, so the way I see it I've now got several options for the price of a new 105 rear caliper.

    Big thanks to @coventry_eagle and @snottyotter for sharing your thoughts and experiences. I really appreciate it!

  • That’s why I went down the cheap brake route. There was no way on earth I was paying for a pair of new rs505 calipers for what is now just a grocery getter. So far 200miles in, they seem fine you can still lock up the rear and do impressive stoppies.
    Oh I’m using some old cheapy Tektro discs as well.


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  • Have you found anything better than the standard retaining pins for the pads? I'm used to the sort that screws in and then has a retaining pin, which feels nice and secure to me.

    I've fitted the brakes now, but I'm not looking forward to needing to replace the pads ...

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Avatar for Chaley @Chaley started