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B.B. Parts

B899W

B899W

CUP SIZE Ø51.5mm
THREAD STYLE Left Cone: 7/8” un24T-LH
Right Cone: 15/16” un24T
MATERIAL Steel, (Cup Set Parts) SCM430 (AXLE), Set of 14pcs
COMPONENTS Ball Retainers 5/16”x12x 2pcs, Dust Seal
FINISH CP(Cups Set Part) + BK(AXLE)
APPLICATIONS Heavy BMX, MTB
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