ACS threaded freewheels that are focused on durability for metric thread applications.Removable with Crossfire 6-spline toolNickel plated sprocket ring fits 1/8” and 3/32” chainsFits metric M30 x 1mm hub threadsCold forged for high-torque strength, and increased durabilityThree-pawl design provides engagement every 12 degrees (30 steps total)Item SpecificationsColorSilverWeight113.4Cassette Body TypeThreaded Metric 30 x 1mmFreewheel Teeth15Chain Compatibility3/32keyword searchCrossfire