here's my 2 cents worth ... based on my experience: I started with a 52/42/30 triple up front, 12-25 back, and got to the point of not using the small chainring much, so changed to a double and a 12-27. I eventually changed bikes and because I could not get a 12-27 with my new set-up, I changed to a 13-26 (still standard 53/39 on front). YES, I struggle on really steep grades ... and if the grade is too steep, I simply don't ride it. However, there are certain rides I would like to go on, but if I did them, I know I would have to change my front to a compact -- 50/34 and maybe change my back to a 13-39.
So, if your hills are rideable with your triple and you just want to ride them faster, I say keep riding them ... you will only get stronger. If you feel a slightly easier gear will help you get up the hills, not necessarily faster, but with less overall body strain, than I say change your rear cassette to a 12-27 -- an inexpensive alternative to a knee saving, heart saving, body saving problem. If you struggle to get up the hills altogether or would like to ride steeper grades and need lower gearing, than consider a compact 50/34, keeping your 12-25 in the back. ...just my 2 cents![]()



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