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Shimano Bottom Bracket Mystery

2K views 1 reply 2 participants last post by  wickerman1 
#1 ·
I mail ordered an ES51 E type bottom bracket. Sent was a ES51 M bottom bracket. Shimano is closed for the next few days...does anyone know if there is a differece between these two products? I do not have an original to compare one to another. Thank you as always. Scott
 
#2 ·
cham said:
I mail ordered an ES51 E type bottom bracket. Sent was a ES51 M bottom bracket. Shimano is closed for the next few days...does anyone know if there is a differece between these two products? I do not have an original to compare one to another. Thank you as always. Scott
E type is for E type front derailleur therefore you use your front derailleur for the spacer instead of a regular bb spacer.. At least thats my thoughts lol.
i also use ES BB's
 
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