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The most common question when buying a bike is whether it is worth paying more for higher-level equipment (shifter, chain, cassette, cranks, etc.). Will I feel the difference, and how will it be felt? We shot a video using the example of Shimano Claris R2000 and Shimano 105 R7000, but the same principle works between other levels of equipment, from any company. Sram, Campagnolo, FSA. Of course, there are exceptions, when a 10-speed transmission from 2013 will be lighter than a 12-speed 2020, due to a smaller range of cassette stars, for example. There are also a number of myths and legends. That the difference is mainly in weight, and that expensive bicycle components last less, especially the chain and cassette. Because the chain is thinner and the more stars on the cassette, the more expensive the Groupset. In our video about equipment levels, we calculated whether it is profitable to lighten a bike at the expense of derailleurs, cassette, chain, shifters and brakes - that is, what is included in the equipment set. And how much approximately 1 gram of savings will cost. We also touched on nuances such as chain width, how the chain wears out, differences in derailleur rollers. We hope that you will choose the right level of equipment for your bike and will not make a mistake. Link to multi-hour tests of different chains: https://cyclingtips.com/2019/12/the-b... Timing: 00:00 - Difference in equipment levels 02:15 - What is Groupset 02:47 - Difference in weight 04:03 - Durability of the drivetrain 06:50 - Smoothness and speed of shifting 07:55 - Differences in rear derailleurs 08:30 - (!) Misspelling. Dropout Hanger 08:35 - Differences in rear derailleurs 09:18 - Derailleur pulleys 10:18 - What's the difference between different cranks 10:33 - Conclusion We are on social networks: Vasya on Instagram: / kapushak_vasile Dima on Instagram: / shmumpel #bike #transmission #choosingabicycle