For Sale ROTOR QXL chainring 54/44 130 PCD

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dgl2

Maximum Pace
Nov 3, 2007
284
48
48
Tokyo - Minato-ku
I have not tried Rotors, but I think these are ovalized rings, so if they are anything like my 52-42 Osymetric rings, then 54-44 would be not nearly as hard to push as it would be in a round chainring. On the "cam-like" Osymetric, the narrowest side of the chainring coincides with the "dead spot" where pedaling is weakest. I can certainly climb as easily with the 42-tooth smaller Osymetric as with the inner chainring of a 53-39 "normal" crankset...

Best, David