SRAM BB Pressfit 89.5/92 Dub 3 Speed Pure Bladder master cylinder helps

Pure Bladder master cylinder helps to regulate and reduce air bubbles that may be in the system

Tubed : MAX 70

For moderate sweating

GXP TECHNOLOGY - Gutter seal design cuts friction

SRAM BB Pressfit 89.5/92 Dub 3 Speed Pure Bladder master cylinder helpsDescription: The 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