
Bike tyre sizes explained: markings, chart and rim fit
How to read bike tyre sizes, a chart by rim diameter, the tyre widths each rim takes, hookless rules, inner tube ranges, valves and frame clearance.
Tips and notes from Tyred mechanics - bike care, punctures, and riding in London.

How to read bike tyre sizes, a chart by rim diameter, the tyre widths each rim takes, hookless rules, inner tube ranges, valves and frame clearance.

An electric bike maintenance routine by interval, the extra wear on chain, brakes and tyres, system checks you can do, and what goes to a service centre.

How to true a bike wheel in the frame: rule out tyre and hub faults, read nipple direction, make quarter turns, check dish and tension, know when to stop.

How to store a bike in a flat, shared hallway, council hangar, shed, garage or outside, with rust, tyre, hydraulic brake and winter storage checks.

How to remove rust from a bike by material and severity: painted steel, chrome, bolts, chain, the signs that mean inspection not cleaning, and prevention.

How to clean a bike in seven steps, with a bucket-and-bottle method for a flat, what each cleaner is for, brake and e-bike precautions, and how often to wash.

Bike tyre pressure by rider weight and tyre width, front and rear, for hybrids, e-bikes, cargo bikes and Bromptons. Sidewall limits, valves, pumps, checks.

Dropped, snapped or keeps coming off: put a bike chain back on, fix a broken link, check wear at 0.5% or 0.75%, and replace it to match the speed.

How to clean a bike chain on the bike or off it, get rust off, choose wet, dry or wax lube for UK weather, and tell when a rusty chain needs replacing.

Met Police data on 14,395 bikes stolen in London in a year, by borough and ward, with hotspots, a first-hour checklist, recovery odds and insurers' lock grades.

The locking technique step by step, Sold Secure Bronze to Diamond explained with a rating for each situation, where to park in London and what insurers require.

Lifespan, charging and winter storage figures from Bosch, Shimano STEPS and Brompton, fire-safety rules for a London flat, a faults checklist and where to recycle.

Why bike brakes squeal, in the order worth checking: contamination, bedding-in, glazed pads and alignment. Fixes for disc and rim brakes, and what never to spray on them.

Why bike gears skip, ghost-shift or refuse to change: cable tension, indexing, bent hanger, worn cassette. How to tell which it is, and the two-minute fix.

Fix loose, spongy or rubbing bike brakes: barrel adjuster, pad alignment and caliper centring for rim and disc, cable and hydraulic. And when it is a job for a mechanic.

Tyred launches AI-native insurance service to improve fairness and reduce costs for cyclists and fleets.

Step-by-step puncture repair: remove the wheel, find the cause, patch or replace the tube, refit and inflate in stages. Plus why it keeps happening and when DIY is not worth it.

Tyred has partnered with the Zero Emissions Network. ZEN members get two months of mobile bike servicing free.

Tyred has raised £2.5 million to build an AI-powered bike ownership platform - maintenance, repairs, insurance and finance, all in one place.