Iron Offroad — Workshop GuidesPlain-English MX and enduro workshop guides — chain wear, race sag, fork seals, top-end intervals. Written by people who turn the spanners.https://ironoffroad.co.uk/en-gbRace sag setup — how to measure and set sag on a dirt bikehttps://ironoffroad.co.uk/guides/race-sag-setup/https://ironoffroad.co.uk/guides/race-sag-setup/Sag is the first setup job on any dirt bike, and the one most riders get half right. Here's how to measure both sag numbers properly, what they're telling you, and what to do when the spring won't get you there.Sat, 23 May 2026 10:00:00 GMTIron OffroadAir filter service — the cheap part that saves the dear onehttps://ironoffroad.co.uk/guides/air-filter-service/https://ironoffroad.co.uk/guides/air-filter-service/The air filter is the cheapest part on the bike. The engine behind it is the dearest. Here's how to clean, oil and seal one properly — and why a five-minute job saves a top-end.Fri, 15 May 2026 14:00:00 GMTIron OffroadBrake pad and disc wear — when 'worn out' isn't worn at allhttps://ironoffroad.co.uk/guides/brake-pad-and-disc-wear/https://ironoffroad.co.uk/guides/brake-pad-and-disc-wear/Most brakes that feel finished aren't worn out — they're glazed, contaminated, or full of air. Here's how pads and discs really wear, and how to tell the difference.Fri, 15 May 2026 12:00:00 GMTIron OffroadWheel bearings — the cheap part that quietly wrecks your hubshttps://ironoffroad.co.uk/guides/wheel-bearings/https://ironoffroad.co.uk/guides/wheel-bearings/A wheel bearing rarely seizes — it goes slack and notchy for months first, and a worn one chews the hub and lets water in. Here's how to catch one before it costs you a wheel.Fri, 15 May 2026 12:00:00 GMTIron OffroadSuspension service intervals — why your forks fade before they failhttps://ironoffroad.co.uk/guides/suspension-service-intervals/https://ironoffroad.co.uk/guides/suspension-service-intervals/Suspension doesn't break. It fades — slowly enough that you adjust your riding and never notice. Here's the service clock for forks, shock and linkage, and how to read what your bike is telling you.Fri, 15 May 2026 10:00:00 GMTIron OffroadFork seal leak — when to swap, when to ride ithttps://ironoffroad.co.uk/guides/fork-seal-leak/https://ironoffroad.co.uk/guides/fork-seal-leak/A weeping seal is not the same problem as a blown one. Here's how to tell which you've got, the trick that buys you a weekend, and when oil on the rotor means you stop riding.Thu, 14 May 2026 10:00:00 GMTIron OffroadChain and sprocket wear — when to replace, and why you replace them togetherhttps://ironoffroad.co.uk/guides/chain-and-sprocket-wear/https://ironoffroad.co.uk/guides/chain-and-sprocket-wear/Your chain is the cheapest part of your bike that can wreck the expensive ones. Here's how to tell when it's done, what to read off a sprocket, and why you don't replace one without the other.Tue, 12 May 2026 10:00:00 GMTIron Offroad