Cartridge Bottom Bracket Set
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Cartridge Bottom Bracket Set
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Threadless cartridge BB set |
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Suitable for both threadless and threaded BB shell |
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Decrease the noise caused from traditional BB shell eccentric transmission |
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Quick assembly, fix firmly, more durably and safely |
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2 cartridge sealed bearings |
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Alloy sleeve and cups |
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Weight: 263g |
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Patent no.: M357419 |
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