SRAM DUB BB30 Bottom Bracket - BB30 73mm MTB Boost 55mm Chainline Black MFPN=Y1VY00030 (mm) 18 Bearing O

(mm) 18 Bearing O

Reach can be adjusted with a 3mm hex key

Steel rings provide great performance and long wear-life at an affordable price

}Shimano SLX SL-M7000 2/3-Speed Left Shifter

SRAM DUB BB30 Bottom Bracket - BB30 73mm MTB Boost 55mm Chainline Black MFPN=Y1VY00030 (mm) 18 Bearing OSRAM DUB BB30 Bottom Bracket BB30 73mm MTB Boost 55mm Chainline Black. 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. Designed for use with SRAM Boost cranksets with 55mm chainlines Gutter Seal Technology drastically improves