Does anyone know when 7 speed cassettes were released for the Shimano 105 groupset?
Cycling Equipment · Public discussion
Shimano 105 7 speed cassettes
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- 31 March 2006
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- xxamr_corpxx
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xxamr_corpxx said:
Does anyone know when 7 speed cassettes were released for the Shimano 105 groupset?
Around 1988 is when Shimano introduced 7s cassettes broadly across their groups. In 1991, 8s came out in Dura-ace and then the other groups went to 8s in 1993.
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