SRAM DUB Bottom Bracket linear pull Entropy Bio Resin

Entropy Bio Resin

The Proframe Blocked Helmet is the original full-face trail helmet and is still the market leader

Taffeta lined for warmth and comfort

Front button closure

STIFFNESS4/6

SRAM DUB Bottom Bracket linear pull Entropy Bio ResinThe SRAM DUB bottom bracket series has a simple job to connect crankarms and protect the smooth, long lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. Gutter Seal Technology drastically improves sealing against the elements Sealed cartridge bearings One oversized spindle to work across every bottom bracket standard Significantly