SRAM DUB PressFit30 Bottom Bracket - PF30A 73mm Road Black CheckoutSpec= 203 x 57 }Shimano 105 FC-R7100 Crankset -

}Shimano 105 FC-R7100 Crankset - 170mm 12-Speed 52/36t 110 Asymmetric BCD Hollowtech II Spindle Interface Black

It charges the main battery while riding and offers a parallel power supply to the motor when the power draw exceeds 2A

Size 155mm/Weight 198g

8mm 40x800mm Black

SRAM DUB PressFit30 Bottom Bracket - PF30A 73mm Road Black CheckoutSpec= 203 x 57 }Shimano 105 FC-R7100 Crankset -SRAM DUB PressFit30 Bottom Bracket PF30A 73mm 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. Gutter Seal Technology drastically improves sealing against the elements Sealed cartridge bearings One oversized spindle to