12 Speed. HG-Spline fitting driver body. Alloy Spider, Spacers & Lockring. Weight: 308g. Gear Combination: 11-30T: 11‐12‐13‐14‐15‐16‐17‐19‐21‐24‐27‐30. 11-36T: 11‐12‐13‐14‐15‐17‐19‐21‐24‐27‐30‐36.
Best Price: £65.99 from Merlin Cycles
SunRace RZ800 Road Cassette – 12 Speed – Metallic / 11-34 / 12 Speed Reviews