SRAM PG-1231 Rival Cassette Replaceable Cogs S3-torque so bicycle chains and gears

so bicycle chains and gears are cleaned more quickly

It makes for an uncluttered drivetrain that takes on pavement and singletrack with equal aplomb

it does not dirty clothes and resists contamination by dirt and dust very well

Rack Material:  Tubular 4130 Cromoly

Weight: 650g

SRAM PG-1231 Rival Cassette Replaceable Cogs S3-torque so bicycle chains and gearsSRAM PG 1231 RIVAL CASSETTE REPLACEMENT COGS Replacement 11T 12T 13T cogs for PG 1231 Rival cassette. Including lockring. SPECIFICATIONS Speeds 12 Speed Gearing 11 13 Tooth Technology (Cassette) PG Chain Technology Road Flattop D1, Road Flattop E1 Lockring Included