CeramicSpeed BB ALPHA Bottom Bracket - Italian 70mm For SRAM DUB Spindle Road BLK MFPN=GBK02 The Holmenkol Service box has

The Holmenkol Service box has four drawers with dividers

} Outer casing

}Park Tool SBS-1

Die Cast aluminum body and Chromoly spindle

High volume Urban/Cruiser tire for front or rear with KevlarGuard flat protection

CeramicSpeed BB ALPHA Bottom Bracket - Italian 70mm For SRAM DUB Spindle Road BLK MFPN=GBK02 The Holmenkol Service box hasA bottom bracket built to outlast your frame BB ALPHA features hardened stainless steel races hand built with grade 3 Silicon Nitride ceramic balls custom engineered seals and precision dust covers delivering up to 500% better moisture protection while still providing ultra low friction performance. The simplified spacer tube design and lighter 7075 aluminum cups ensure quick installation and a 10% weight reduction over previous generations. All