Does anyone know when 7 speed cassettes were released for the Shimano 105 groupset?
xxamr_corpxx New Member Mar 16, 2006 327 0 0 Mar 31, 2006 #1 Does anyone know when 7 speed cassettes were released for the Shimano 105 groupset?
John M New Member Jun 21, 2005 1,404 0 0 Mar 31, 2006 #2 xxamr_corpxx said: Does anyone know when 7 speed cassettes were released for the Shimano 105 groupset? Click to expand... 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.
xxamr_corpxx said: Does anyone know when 7 speed cassettes were released for the Shimano 105 groupset? Click to expand... 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.
