Shimano road bike groupsets: know your Tiagra from your Dura-Ace Di2

Enve Builders Roundup 2022 - Retrotec Road
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Having recently celebrated its 100th birthday, Shimano has a deep-rooted history in the sport of cycling. It is one of the biggest names in the business for producing high-quality components across all cycling disciplines, from road to mountain bikes, commuters and electric bikes and more, Shimano is a market leader in cycling. 

The brand is best known for its groupsets, of which there are dozens to choose from, and the abundance of options can be quite confusing, so in this guide, we'll outline all of the Shimano road bike groupsets, so you can make informed decisions when choosing how to set up your bikes in future. 

You can trust Cyclingnews Our experts spend countless hours testing cycling tech and will always share honest, unbiased advice to help you choose. Find out more about how we test.

Ben has been a sports journalist for 16 years, covering everything from park football to the Olympic Games. As well as cycling, his passions include podcasts, tennis and speaking enough Italian to get by on his snowboarding trips to the Dolomites. A DIY rider who is almost as happy in the toolbox as he is in the saddle, he is still trying to emulate the feelings he experienced as a nine-year-old on his first Peugeot racer – he couldn’t fathom the down-tube friction shifters then and he’s still wrestling with groupsets now. When he isn’t making a beeline for the nearest Chiltern hill, he is probably tinkering or teaching his kids how to clean a bike properly. He rides a heavily modified 1980 Peugeot PVN10 Super Competition (steel is real) when the road is smooth and dry, and a BMC Alpenchallenge when it’s not.