The Advantages of Shimano’s 12-Speed Mechanical Shift System for Road and Gravel Bikes
The 12-speed system, which consists of 12 cassette sprockets, has been applied to road bikes starting with mountain bikes, and has expanded to gravel, becoming the most common shifting system.SHIMANO also launched a 12-speed cassette system for the GRX series, a gravel groupset, last September, opening the 12-speed era by having a 12-speed system for … Read more