EX-XX Posted January 11, 2019 Share Posted January 11, 2019 I'm looking to grab a spare rear caliper and refurb it, while the original is still on the bike. Can't find a resonably-priced 5th Gen one to save myself, but 6th gen ones are plentiful. Are the 6th gen ones a simple bolt-on proposition for 5th gens? Link to comment Share on other sites More sharing options...
Member Contributer MadScientist Posted January 11, 2019 Member Contributer Share Posted January 11, 2019 I had all 3 (5th, 6th, 8th) when doing my brake system. The 6th fits on the same slider bracket as the 5th and currently resides on my bike - however it is internally drilled for de-linkage. The piston diameters of the 6th are different from the 5th, but I don't have the exact measurements at the moment. Uses the same pads as the 5th gen. Even if you have the 8th gen slider bracket, the 8th gen is not a simple bolt on. If you aren't de-linking, the 8th isn't of interest anyway. Link to comment Share on other sites More sharing options...
EX-XX Posted January 11, 2019 Author Share Posted January 11, 2019 7 minutes ago, MadScientist said: I had all 3 (5th, 6th, 8th) when doing my brake system. The 6th fits on the same slider bracket as the 5th and currently resides on my bike - however it is internally drilled for de-linkage. The piston diameters of the 6th are different from the 5th, but I don't have the exact measurements at the moment. Uses the same pads as the 5th gen. Even if you have the 8th gen slider bracket, the 8th gen is not a simple bolt on. If you aren't de-linking, the 8th isn't of interest anyway. My bike is already de-linked. Just using the OEM rear caliper (with an SP2 front-end on it, including brakes). I'll be doing a major refurb on the bike later this year, and am already gathering parts for it. As part of that, I simply want to grab a compatible, bolt-in caliper, "go to town" on the thing, clean, paint and put aside, so that when I do the rest, it can simply be bolted up. It sounds like you're saying the 6th Gen is a bolt-in proposition, which is what I was after. Link to comment Share on other sites More sharing options...
Member Contributer JZH Posted January 11, 2019 Member Contributer Share Posted January 11, 2019 Yes, but the piston sizes are different. I don't believe there are any ABS-related differences, apart from colour. RC46-I: 22.7 x 27.0 x 22.7 RC46-II: 25.4 x 25.4 x 25.4 Ciao, JZH Link to comment Share on other sites More sharing options...
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