Bicycle Quarterly 73

We continue our ground-breaking tire tests: We’ve developed a new methodology to discover even small differences between tires. For the first time, we can reliably measure whether tubeless tires are faster than tires with tubes. We also compare the speed of different casings and answer many questions we’ve all had about tires.

We test the beautiful Belladonna in the Cascade Mountains. Karen Yung takes you on a stage race in Oman. Framebuilder Steve Rex takes us into his workshop in California. Sofiane Sehili talks about winning the Atlas Mountain Race and the French Divide. Beautiful studio photos show how Natsuko’s Alps converts from cyclotouring bike to passhunter — in just 10 minutes!

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