SRAM DUB BB386 Road Bottom Bracket Norco Storm 4mm and 31

4mm and 31

Reinforced nylon sidewall protection and an anti-puncture belt add critical resilience and stability

Giro set a new standard in quality

5'' pressure gauge display ensures clear and accurate readings

World Championship proven tread in a TLR and sidewall reinforced gravel construction for fine loose gravel conditions

SRAM DUB BB386 Road Bottom Bracket Norco Storm 4mm and 31The 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, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket specification. For better crankarm compatibility. For better protection from the elements. For longer lasting performance. To be stronger,