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Miche Primato Pista ISO Bottom Bracket.
original bottom bracket for the old Miche Pista Track crank
New old stock, may have some marks from storing
ISO square taper
With BSA bearing shells without stop for fine adjustment
For mounting can eg a cassette or freewheel Campa Spline tool used
bearing cartridge is manufactured by Kinex and is therefore compatible with Kinex aluminum bearing shells
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“Weight : 270 g“