Apex PG-1231 Replacable Cogs 11/12/13T

SRAM Apex PG-1231 Replaceable Cogs (11 T / 12 T / 13 T) are genuine service parts engineered for SRAM PG-1231 11-speed cassettes.

These replacement cogs allow you to refresh worn sprockets in your cassette one at a time, extending cassette life, maintaining smooth shifting, and restoring drivetrain efficiency without having to replace the entire cassette. Available in 11 T, 12 T, and 13 T sizes, they fit into their corresponding positions on the PG-1231 cluster and are made to SRAM’s exact standards for reliable wear characteristics and performance.

Key features:

• Genuine SRAM replaceable cog set
• Available in 11 T, 12 T, and 13 T sizes for PG-1231 cassettes
• Lockring Included
• Precision tooth profiles for smooth, consistent shifting
• Ideal for replacing worn sprockets and extending cassette life
• Durable construction to withstand everyday riding loads