Bintang 4DP | Wish You Lucky

4dp Hi All, I have a 1992 4DP ,which is basically standard. I also have some 4DP-11 cylinders which I bought some time back as 'spares',the question is would there be any benefitnegative. PRDCML12-4DP

4dprize group, The latest Wahoo app update seems to have updated the 4DP algorithm - I’m now a pursuiter with strength MAP whereas before I was a time trialist with strength FTP (actually I.