Any 7-speed cassette should do. SRAM tend to be lighter. Can't speak for durability as I haven't worn one yet. Shimano is fine; somewhere has HG50 blocks for cheap-ish at the mo, but I can't remember who.
@rodabod started
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Any 7-speed cassette should do. SRAM tend to be lighter. Can't speak for durability as I haven't worn one yet. Shimano is fine; somewhere has HG50 blocks for cheap-ish at the mo, but I can't remember who.