I am new to repair and maintenance. I have a 2004 specialized rockhopper( 2004 specialized rockhopper - BikePedia ). After years if wear and tear my drivetrain is pretty shoddy. I am looking to purchase a new crankset and bottom bracket. My question is what size do i need? I get confused and want to make sure i got the right size before i buy. Looking to spend around $150 and i am a fan of Shimano. Any help and recommendations would be very helpful.
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Thread: new crankset sizes