toad_master45 Posted December 2, 2021 Report Share Posted December 2, 2021 I have just got me a fourplay 2021 thanks @ben_travis as an upgrade from a gen 1 fourplay (for sale soon) and most stuff fits. However i have the old hope trial IS mount callipers for 180mm rotors and the new frame is post mount +20 so no amount of adaptors is going to work unless i run a 220mm rotor! I do have a tech M4 and a v2 callipers which are post mount but they are crusty and will need rebuilt and probably pads so do i bother? or just run some old that slxs/xts with big rotors. thoughts people please.. Quote Link to comment Share on other sites More sharing options...
AdamR28 Posted December 2, 2021 Report Share Posted December 2, 2021 The V2 will work well - same size pistons as the trials brake, and the pads even fit too! Quote Link to comment Share on other sites More sharing options...
toad_master45 Posted December 2, 2021 Author Report Share Posted December 2, 2021 thanks @Adam@TartyBikesbut just looked at them again and its actually an x2.. Quote Link to comment Share on other sites More sharing options...
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