SRAM X4 Rear Derailleur - 789 Speed Long Cage Black CheckoutTitle=Topeak JoeBlow Urban EX Floor Pump 5mm 11-Speed 53/39t 130 BCD

5mm 11-Speed 53/39t 130 BCD GXP Spindle Interface Black

Bolt length is laser engraved onto the bolt head for easy length identification

5mm 12-Speed 48/31t 110/80 BCD Hollowtech II Black

}Magura QM42 Adaptor for a 203mm Rotor on 160mm Post Mounts

SRAM X4 Rear Derailleur - 789 Speed Long Cage Black CheckoutTitle=Topeak JoeBlow Urban EX Floor Pump 5mm 11-Speed 53/39t 130 BCDSRAM X4 Rear Derailleur 789 Speed Long Cage Black. Affordable and reliable derailleur is great for repairs and upgrades. Compatible with 7 8 and 9 speed systems 1: 1 shifter to derailleur actuation ratio for precise light action indexing TECH SPECS Largest Cog 34 Color Black Rear Der Shifter Compatibility SRAM 1: 1 Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 7 Drivetrain Speeds 8 Drivetrain Speeds 9 Weight 280 Chain Wrap Capacity