Shimano HG51 8-Speed Cassette (discontinued)Views:
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|Miscellaneous||Shimano HG51 8-Speed Cassette. Cassettes - MTB. Features: High quality 8-speed cassette Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load Close ratio gearing allows a more efficient use of energy .... .|