Sram Powerglide PG-990 Cassette 9/speed

Sram Powerglide PG-990 11-32 Cassette Sram Powerglide PG-990 Cassette 9/speed. Sram's competition level 9/speed cassette. Anodized alloy Lock Ring. Blast Chrome Plated finish. Powergile II Precise shifting lanes designed to more smoothly shift the chain form cog to cog. Less wear, long lasting, faster ride. Composite spider. Weight 280gms. 710845619144