Just run a 34/36 or other small tooth difference chainrings. And when the smaller (polo) chainring is in use the chain will be shielding the larger chainring from doing any damage.
@M_A_X started
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Just run a 34/36 or other small tooth difference chainrings. And when the smaller (polo) chainring is in use the chain will be shielding the larger chainring from doing any damage.