Shimano Cartridge Bottom Bracket Square Taper 68mm Shell
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Product description
Great Replacement For Vintage Bikes And Cheaper Bikes With "Cup And Ring Bearings".
Shimano Part Numbers For This Item Are Bb-Un55 And Bb-Un26.
Reviews
Got this to replace the cheap crap they put on bikes from Academy. The original completely blew out and almost destroyed my cranks. The beauity of this guy is it is completely sealed off. The only one got some moisture in there and rusted out then chewed up everything it came in contact with. GET THIS if you have a cheaper bike you want to keep running.
Specifications
Shimano Cartridge Bottom Bracket Square Taper 68mm Shell
1 reviewGot this to replace the cheap crap they put on bikes from Academy. The original completely blew out and almost destroyed my cranks. The beauity of this guy is it is completely sealed off. The only one got some moisture in there and rusted out then chewed up everything it came in contact with. GET THIS if you have a cheaper bike you want to keep running.