Lightweight wide-range MTB cassette upgrade 7075 aluminum largest cog, all other cogs are steel 6 cogs on 2 aluminum spiders, plus aluminum lockring & spacers SRAM generally compatible, Shimano…
Lightweight wide-range MTB cassette upgrade 7075 aluminum largest cog, all other cogs are steel 6 cogs on 2 aluminum spiders, plus aluminum lockring & spacers SRAM generally compatible, Shimano…