Rotor track cranks. Are the ROTOR track BB cups slightly narrower than normal (i.e Hollowtech) 24mm road BB's?
Would i need to use the Rotor specific BB to get the right chainline or can i use other cheaper options?
@jono84 started
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Rotor track cranks. Are the ROTOR track BB cups slightly narrower than normal (i.e Hollowtech) 24mm road BB's?
Would i need to use the Rotor specific BB to get the right chainline or can i use other cheaper options?