Shimano Alivio CS-HG400 Cassette - 9 Speed 11-34t Silver Nickel Plated Model=RD-M9050 EVO 12-Speed Rear Derailleur Its smooth stroke big 3"

Its smooth stroke big 3" integrated gauge and no fuss Auto Head will get you back up to pressure

Unique features and design also provide significantly improved wear resistance on Eagle cassettes and rings

6 Color Gloss Black Crown Race 30 Wheel Size 29" External Adjustments Coil Preload Defined Color Black Positive Spring Coil Stanchion Diameter 32 Steerer Tube Length (mm) 255

The ring lock has maximum security with plug in option

Spring) - Maven Ultimate/Silver A1 SRAM Model ID: DB-SVC-LVR-A1

Shimano Alivio CS-HG400 Cassette - 9 Speed 11-34t Silver Nickel Plated Model=RD-M9050 EVO 12-Speed Rear Derailleur Its smooth stroke big 3"Shimano CS HG400 9 Speed CassettesNickel plated finish for corrosion resistance Drilled cogs for weight savings Nickel plated steel lockring Range 11 34 Cogs 11 13 15 17 20 23 26 30 34 Cassette Body Type Shimano HG Drivetrain Speeds 9 Color Silver Designed for ebike Yes Defined Color Silver