SRAM DUB PressFit30 Bottom Bracket - PF30 73mm MTB Boost 55mm Chainline BLK Bearing Type-Cup and Cone Specialized Stumpjumper 2016-2017 models require

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)

Minimum labeled tire size: 27mm

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

Fabric Weight: Light

Blue - Air temperature: -8C °

SRAM DUB PressFit30 Bottom Bracket - PF30 73mm MTB Boost 55mm Chainline BLK Bearing Type-Cup and Cone Specialized Stumpjumper 2016-2017 models requireSRAM 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