Cassette. Speed: 10. Range: 11-32. The PG 1070 Cassette’s semi-spidered design maintains a high level of shifting performance with a matched cassette/chain combination that runs near silent. To help you in the toughest climbs it is now available in the new 11-32 ratio.Cassette design for high shifting performance with a quieter chain/cassette combinationSemi-spidered design: light, strong, efficient
