NEW Shimano Sora CS-HG50 9-Speed Cassette 11-30t chain_1speed The Topeak BabySeat II with

The Topeak BabySeat II with Disc Compatible Rack features a wrap-around seat structure for added protection

Cassette Cogs: 11-13-15-18-21-24-28-33-39-45-51

Aggressive shoulder lugs deliver secure traction in corners

Compatible with ADVENT rear derailleurs and cassettes

Rim Width (Internal): 25mm

NEW Shimano Sora CS-HG50 9-Speed Cassette 11-30t chain_1speed The Topeak BabySeat II withShimano Sora CS HG50 9 Speed Cassettes. Nickel plated finish for corrosion resistance Drilled cogs for weight savings Nickel plated steel lockring Cassette Cogs: 11 12 14 16 18 20 23 26 30 Color: Silver Cassette Body Type: Shimano SRAM 8, 9, 10 Speed Range: 11 30 Drivetrain Speeds: 9 Defined Color: Silver Weight: 435