ACS threaded freewheels that are focused on durability for standard thread applications. Nickel plated sprocket ring fits 1/8” and 3/32” chainsFits Standard 1.37 x 24tpi hub threadsCold forged for high-torque strength, and increased durabilityThree-pawl design provides engagement every 12 degrees (30 steps total)Removable with standard 4-prong tool Item SpecificationsColorSilverWeight181.4Cassette Body TypeThreaded Standard 1.37 x 24tpiFreewheel Teeth16Chain Compatibility3/32keyword searchCrossfire