SRAM Force 22 WiFli Rear Derailleur - 11 Speed Medium Cage Black Model=Lyrik Ultimate Charger 3.1 RC2 Suspension Fork Bottom bracket: 1/4x9=12

Bottom bracket: 1/4x9=12

but the DHF also makes an excellent option for a rear tire

Length 150 Color Rose Flange No Lock On No Grip Shift Specific No Defined Color Pink Shape Round

}WTB Vigilante Tire - 29 x 2

8lb Adjustments Virtual Maximum Resistance 2000w Slope 0% to 16% Resistance Magnetic Interactive Yes

SRAM Force 22 WiFli Rear Derailleur - 11 Speed Medium Cage Black Model=Lyrik Ultimate Charger 3.1 RC2 Suspension Fork Bottom bracket: 1/4x9=12SRAM Force 22 WiFli Rear Derailleur 11 Speed Medium Cage Black. Competition grade rear derailleur with carbon and magnesium to keep weight low. Designed for easy to set up and adjustment. Carbon fiber and aluminum construction Cartridge bearing pulleys Stainless Steel hardware TECH SPECS Rear Derailleur Mount Type 10x1 Standard Rear Der Shifter Compatibility SRAM Exact Actuation Cage Length Medium Drivetrain Speeds 11 Weight 186 Color Black Chain Wrap