Xav's new chainring will be on the Christmas wish list for people using 144mm PCD cranks, claims 0.1% speed gain (25cm per 250m) I paid considerably less for my Vuma Chronos, for which Zipp claimed a 0.25% speed gain (9s per 40km).
I paid considerably less for my Vuma Chronos
Yeah, but these are GOLD!!
@ewanmac started
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Xav's new chainring will be on the Christmas wish list for people using 144mm PCD cranks, claims 0.1% speed gain (25cm per 250m)
I paid considerably less for my Vuma Chronos, for which Zipp claimed a 0.25% speed gain (9s per 40km).