Why winter is the toughest season for your chain

British winters are a perfect storm for your drivetrain. Road salt, grit, leaf mould and near-constant damp combine to turn a clean chain into a grinding paste within a few rides. The salt is the real villain: it draws moisture, accelerates rust, and works its way into every pin and roller. Left alone, that mixture wears away the very metal your chain needs to shift smoothly. A worn chain then chews through cassettes and chainrings, turning a simple ten-minute job into a costly replacement. The good news is that a little regular attention keeps everything running sweetly, even through the wettest months.

The weekly clean: degrease, rinse, dry

Aim to clean your chain once a week if you're riding regularly, and after any ride that leaves it looking grey and gritty. You don't need a workshop full of kit — a chain cleaning tool, a stiff brush, some degreaser and a pile of rags will do.

• Degrease: Clip on a chain cleaner or brush degreaser directly onto the chain. Turn the cranks backwards for a minute or two. For stubborn grime, use an old toothbrush to scrub the jockey wheels and cassette sprockets.
• Rinse: Wipe away the dirty degreaser with a rag, then rinse with clean water — from a bottle, not a pressure washer. High-pressure water forces grit past the seals and into bearings.
• Dry: This step is non-negotiable. Run the chain through a dry rag until it's completely dry. If you can, leave the bike in a warm shed or hallway for half an hour. Water left in the links will rust overnight.
• Repeat if needed: For very mucky winter chains, a second degrease and rinse may be necessary before you lubricate.

Lubrication: the right lube applied the right way

Winter calls for a wet lubricant. Unlike dry, wax-based lubes that flake off in the rain, wet lube stays put and protects against corrosion. The trade-off is that it attracts more dirt, which is why your cleaning routine matters so much. Apply it thoughtfully: one drop per link on the inner side of the chain, where it can penetrate the rollers. Turn the cranks a few times to work it in, then wipe off every trace of excess with a rag. A chain that looks shiny and wet on the outside is over-lubricated and will collect grit like a magnet.

If you tour in winter, carry a small bottle of wet lube and a rag. A mid-ride reapplication after a long, wet day can save your drivetrain from a sleepless night of rusting.

Checking for wear before it costs you

A clean, well-lubed chain still wears out. The difference is that you'll spot it early. Chain wear — often called "stretch", though the metal doesn't actually stretch — happens as pins and rollers wear down. Once a chain reaches 0.5% elongation on an eleven-speed system, or 0.75% on older setups, it's time to replace it. Leave it longer and the worn chain will destroy the cassette and chainrings.

• Use a chain checker: These cheap tools drop between the links and tell you instantly whether the chain is worn. Check every few weeks through winter.
• Try the ruler method: Measure twelve inches (or 300mm) between pins. If the chain is more than 1/16 inch (1.5mm) over that length, replace it.
• Look at the teeth: Cassette sprockets should have a symmetrical, flat-topped profile. If they look like shark fins or hooks, they're worn and a new chain may skip.
• Replace early: A new chain costs far less than a new cassette, chainset and labour. Keep a spare at home so you're never tempted to push a worn one through another month.

Cycle touring through winter: kit and habits

Winter touring puts your drivetrain under constant attack. Mudguards with a decent front flap reduce the spray that reaches your chain, and a chainguard or bash guard helps on gritty towpaths and bridleways. Pack a quick link and a chain tool — if a chain breaks miles from home in the freezing rain, you'll be glad of them. After a long day, rinse the worst of the road salt off with a bottle of clean water before you settle down. It takes two minutes and makes the morning clean far easier.

If you're staying in accommodation, ask if there's a hose or an outside tap. A gentle rinse and a wipe-down before you bring the bike inside keeps everyone happy and your chain rust-free.

Make it a habit, not a chore

Fifteen minutes a week is all it takes. Choose a regular slot — Sunday evening works well for many riders — and run through the same simple routine: degrease, rinse, dry, lube, wipe. Check the chain for wear once a month, and replace it the moment it hits the limit. Your cassette, chainrings and derailleurs will last far longer, shifting stays crisp, and you'll spend less time and money on repairs. Winter riding is brilliant when your bike is working properly. Keep that chain clean and you'll enjoy every cold, muddy mile.