SRAM DUB Wide English Bottom Bracket - English/BSA 68mm Road Black ModelNumber=J1118 Shimano Di2 Frame Junction BoxFrame

Shimano Di2 Frame Junction BoxFrame Junction Box connects via SD50 E-tube wires to four different points: front derailleur rear derailleur cockpit junction box and battery mount

8 Defined Color Black ISO Width (mm) 38 ISO Diameter 622 / Road / 29" Tire Intended Use Cyclocross Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 38 Tire Type Clincher

Color Black Ring Position/Type Chain Retaining Single Ring Tooth Count 42 Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 130 Material Aluminum Defined Color Black

Engineered to virtually eliminate any unwanted bottle launch

Compatible with any cassette up to and including 12 speed cassettes

SRAM DUB Wide English Bottom Bracket - English/BSA 68mm Road Black ModelNumber=J1118 Shimano Di2 Frame Junction BoxFrameSRAM DUB Wide English Bottom Bracket English BSA 68mm Road 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 Wide Cranksets Gutter Seal Technology drastically improves sealing against the elements