Enduro Maxhit Asymmetric Bottom Bracket T47 DUB ModelNumber=E3939 }Surly Track Cog 1/8'' X

}Surly Track Cog 1/8'' X 16t Silver

}RaceFace CINCH PF30 Bottom Bracket: 46mm ID x 73mm Shell x 30mm Spindle External Seal

Cassette Body Type SRAM XDR Defined Color Gray Hub/Brake Compatibility 6-Bolt Disc ISO Diameter 622 / road / 29" Rear Axle 12mm Thru x 148mm Tire Type Tubeless Ready Valve Presta Wheel Size 29"

}Jagwire 4mm Sport Derailleur Housing with Slick-Lube Liner 10M Roll Gray

Machined windows on rotor side flange

Enduro Maxhit Asymmetric Bottom Bracket T47 DUB ModelNumber=E3939 }Surly Track Cog 1/8'' XMachined entirely from 440C stainless steel and guaranteed for life Maxhit BB bearings include proprietary double lip labyrinth seals and extra high pressure Enduro grease to ensure a lifetime of trouble free, heavy duty performance Bearings are designed to press directly into your bicycles bottom bracket shell, eliminating the need for the aluminum cups that are traditionally used to carry the bearings This unique design frees up space for much