Shimano CS-HG51 Alivio 8-Speed Cassette Features: Number of Speeds: 8 Range: 11-30 / 11-32 Cassette Spacing: Shimano/SRAM 8 Chain Compatibility: 3/32" Intended Use: Mountain Easy/quick assembly with cassette cap HYPERGLIDE technology SHIMANO logo on lowest sprocket Close gear steps between primary sprockets creates smooth, comfortable pedaling Colour: Silver Sprocket Configuration: 11-28T: 11-13-15-17-19-21-24-28T 11-30T: 11-13-15-17-20-23-26-30T 11-32T: 11-13-15-18-21-24-28-32T Shipping Policies: ? FREE SHIPPING to the lower 48 states. ? Items may be shipped directly from our warehouse or our supplier to get to you as fast as possible. ? We do not combine shipping. ? Sorry there is no local pick up of item. ? We do not ship to P.O. Boxes or Military APO's ? We appreciate your feedback. If you have any problems at all please do not hesitate to contact us! Return Policy: We Pride ourselves on customer service. We want you to have an amazing experience shopping with us. If there is an issue with your order please contact us first prior to opening a case or requesting a return so we can address it properly and issue you a refund authorization if you choose.