Axle: 20 x110 non-boost or 15 x 100

Lining - 100% Polyester

Armored Design: Neoprene ankle collar keeps trail debris out

90 x 40 x 25 mm

SRAM DUB BSA External Threaded Bottom Bracket - BSA Threaded - 68-73mm Shell - 28.99mm DUB Wide Do Not Ship Internationally Axle: 20 x110 non-boost orSRAM DUB bottom brackets are where stiffness meets durability. SRAM has made it incredibly simple by integrating the relationship between chainring, crank, spindle and bottom bracket and provide a single replacement for 30mm and 24mm BB spindles options. SRAM has created a simple bottom bracket solution that provides better drivetrain performance, increased durability and stiffness without introducing a new frame shell standard to the industry. DUB