Here’s a high-tech product which deserves to be used in every new bicycle infrastructure project. The linked page gives a thorough description and videos!

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Here’s a high-tech product which deserves to be used in every new bicycle infrastructure project. The linked page gives a thorough description and videos!
Ahora también en español:
Chirridos, Crujidos y Chasquidos…
¿Tu bici hace ruidos extraños cuando montas? ¡Este artículo intentará ayudarte a hacer que se calle! Traduccción de Pablo Zumárraga.
And also revised in English:
Does your bike make strange noises when you ride it? This article will try to help you make it shut up!