SRAM DUB Bottom Bracket MFPN=RFC28-BST but safe enough for incidental

but safe enough for incidental contact with Nitrile (buna-n)

mold or staining

PAD/ HOLDER - Top-loading

we recommend a chainguide or chainkeeper in addition to a clutch-type rear derailleur

SRAM DUB Bottom Bracket MFPN=RFC28-BST but safe enough for incidentalThe new SRAM DUB bottom bracket series has a simple jobconnect your crankarms and protect the smooth, long lasting application of power to your drivetrain. To allow that singular focus, weve engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer lasting performance. To be stronger,