SRAM DUB PressFit30 Bottom Bracket - PF30 73mm MTB Boost 55mm Chainline BLK Bearing Type-Cup and Cone Crankset Material Carbon BCD Direct

Crankset Material Carbon BCD Direct Mount SRAM 8 Bolt Crank Spindle Diameter 28

Blue - Air temperature: -8C °

Fabric Weight: Light

BNS recommends equipping with speed reducers or brake as well as a spare wheel in case of a flat tire (not included)

Specialized Stumpjumper 2016-2017 models require 1 mm of spacers (washers will work) between the frames ISCG05 mounts and the guide (the guide interferes with the frame otherwise)

SRAM DUB PressFit30 Bottom Bracket - PF30 73mm MTB Boost 55mm Chainline BLK Bearing Type-Cup and Cone Crankset Material Carbon BCD DirectSRAM DUB PressFit30 Bottom Bracket PF30 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