There Are 4 Widths Available with Bsa Bottom Brackets; 68Mm, 73Mm, 83Mm or 100Mm. This Bottom Bracket Clearly Shows You on the Outside What Bearings Have Been Fitted to the Bike. for Road Bikes, a Bsa Bottom Bracket Is Always 68 Mm Wide. Other Sizes, and Particularly the 73 Mm Width, Is Commonplace with Mountain Bikes.
Are All Bottom Bracket Same Size?
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★ Key Takeaways
There Are 4 Widths Available with Bsa Bottom Brackets; 68Mm, 73Mm, 83Mm or 100Mm. This Bottom Bracket Clearly Shows You on the Outside What Bearings Have Been Fitted to the Bike. for Road Bikes, a Bsa Bottom Bracket Is Always 68 Mm Wide. Other Sizes, and Particularly the 73 Mm Width, Is Commonplace with Mountain Bikes.
Direct Answer • Key Takeaway