Evolution of transmissions and tires: how to calculate your gears?

Gear ratios have always led to heated discussions among cyclists. With the almost universalization of 12-sprocket cassettes on

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Test of the BH RS1 5.0

Bytagand the publication " Test of the BH RS1 5.0 » Facebook Twitter Email Bookmark If it displays the elegant and clean lines of the aerodynamic bike with

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