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40mm Tires

Good Evening,  I am having a very difficult time getting a 40 mm tire to fit in a frame with clearance (physically and in the software) while using a 175mm crank arm with 36 small ring and a 46 large ring.  425 mm long chain stays. Do you guys have any advice? 

 

Thank you for your time

 

Please forgive me if this issue has been addressed in another forum already.