Cassette. If you're a rider whose performance needs or riding style dictates that you run a 9 speed drivetrain, the PG 970 is your only choice for light weight, strength, and precise shifting. Speed: 9. Range: 11-34.
Cassette. If you're a rider whose performance needs or riding style dictates that you run a 9 speed drivetrain, the PG 970 is your only choice for light weight, strength, and precise shifting. Speed: 9. Range: 11-34.
