4/17/2023 0 Comments Shimano 105 groupset history![]() In 1990, the group was replaced by the 105SC series. The parts of both groups were very similar. In both the '105s and the' 600s, Shimano produced a Golden Arrow version. It was introduced as a cheaper alternative to the 600-series and was based on the existing entry-level group Exage 500EX, extended to SIS and SLR. Greater attention was paid to the group in 1986, when it was presented along with the newly developed Shimano shifting technologies Shimano Indexed Shifting (SIS) and Shimano Linear Response (SLR) braking technology. The number 105 was just an addition to the embossed on the parts, striking gold arrow. ![]() The first series was built as the Golden Arrow 105. The Shimano 105 road bike group came in a first version in 1980 on the market. Today's standard of the groupset is the 11-speed gearshift and Hollowtech II bottom bracket or cranks (7000 series) (by 2019). The group was introduced in 1983 as 105, from 1989 it was called 105 SC and since 1999 105 again. It ranked below the Ultegra or 600 groupset and above more favorable groups such as Sora and Tiagra. ![]() The group was introduced in 1983 and is till today considered as an beginner groupset for sporty racing cyclists. Peugeot road bike with Shimano 105 groupsetġ05 (also formerly 105 Golden Arrow) is the name of a road bike groupset by Shimano.
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