48 x 18 But i'm thinking that 47 x 17 is probably round about right - puts you at 72 gear inches. i find that i cant get as much speed on flats as id like, and i could handle a bit more on tough hills............
@forms started
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48 x 18
But i'm thinking that 47 x 17 is probably round about right - puts you at 72 gear inches. i find that i cant get as much speed on flats as id like, and i could handle a bit more on tough hills............