Microshift H103 10-Speed Cassette

H-Series cassettes are designed to deliver maximum durability. With all steel construction and multi-stage heat treatment, these cassettes will stand up to whatever you can throw at them, whether it's high torque E-bike usage or just good old-fashioned mashing.
Compatible with standard HG cassette hub bodies
Continuously molded cogs achieve a high standard of durability and straightness
Cog Material: Steel / Aluminum (11-42T), Steel (11-40T)
ED Black sprockets
Steel lock ring
Weight: 536g(11-42T), 595g(11-40T)