ZEIK - News and guidesTechnical guides and news from ZEIK.https://zeik.it/enGas springs: reading force, length and strokehttps://zeik.it/news/gas-springs-reading-force-length-and-stroke/https://zeik.it/news/gas-springs-reading-force-length-and-stroke/What the three numbers on a tailgate or bonnet gas spring mean, how the force is measured, why it changes with temperature, and how to pick a replacement that holds the lid as the original did.Thu, 17 Sep 2026 00:00:00 GMTZEIK Technical TeamTwin-tube or monotube: which shock absorberhttps://zeik.it/news/twin-tube-or-monotube-which-shock-absorber/https://zeik.it/news/twin-tube-or-monotube-which-shock-absorber/How twin-tube and monotube shock absorbers differ in construction, ride and durability, and how to choose the best shock absorbers for the way a car is used.Thu, 17 Sep 2026 00:00:00 GMTZEIK Technical TeamWhat shock absorbers do and how to tell they are wornhttps://zeik.it/news/what-shock-absorbers-do-and-how-to-tell-they-are-worn/https://zeik.it/news/what-shock-absorbers-do-and-how-to-tell-they-are-worn/Why a shock absorber matters for comfort, braking and tyre life, the signs that it is worn, what a workshop checks, and why they are replaced in pairs.Thu, 17 Sep 2026 00:00:00 GMTZEIK Technical Team