Sram Bottom Bracket Dub Pf30

The new sram dub™ bottom bracket series has a simple job-connect your crankarms and protect the smooth long-lasting application of power to your drivetrain. To allow that singular focus we've 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 smoother simpler. Now back to the ride. - one oversized spindle to work across every bottom bracket standard. - greater bearing durability - easy installation - pressfit cups for lighter weight - iso 4210 compliant. See declaration of conformity for details