
Tubeless tyre maintenance: checking, topping up and replacing sealant
Tubeless sealant care: how long it lasts by maker, how much per tyre width, the cable tie check, topping up through the valve and when to clean it out.

BlogAuthor

Cargo bike mechanic
Cargo bike mechanic in London workshops and fleets since 2022, now running day-to-day operations for a mobile mechanic service. He writes and checks our guides.
Conor joined Tyred to run its day-to-day operations after four years as a mechanic in London's cargo bike workshops and fleets. He started in 2022 as a rider and mechanic on a fleet of Urban Arrow cargo bikes and trailers: Rohloff hubs, Magura and Shimano hydraulic brakes, and the bikes that came back from accidents or long neglect. He built that fleet's tracking database and worked with Urban Arrow and Rohloff on service and development.
From there he moved on to assembling and repairing two- and three-wheeled cargo bikes (Christiania, Bakfiets, Bicicapace), then to a Hackney Wick fleet workshop as fleet mechanic and later workshop supervisor, in charge of the workshop, its stock and a team of mechanics. Most recently he built and prepared premium e-bikes and front-loading family and business cargo bikes at a London Bridge workshop, and built wheels.
He holds the City & Guilds Stage 3 Professional cargo cyclist certificate. Outside work he teaches paddleboarding, has led Scout cub packs and directed a junior parkrun.
19 guides on the Tyred blog, newest first.

Tubeless sealant care: how long it lasts by maker, how much per tyre width, the cable tie check, topping up through the valve and when to clean it out.

How to inflate and seat a tubeless bike tyre with a track pump, booster or compressor, the pressure ceiling, and what to check when it will not seat.

How to fit tubeless tyres on approved wheels: compatibility and hookless checks, rim tape width by rim, valve length, mounting, sealant and seating.

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 squeak or squeal, in the order worth checking: contamination, bedding-in, glazed pads and alignment. Fixes for disc and rim brakes, and why WD-40 makes it worse.

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.

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.
If a guide ends with a job for a mechanic, a mechanic comes to your home, office or the roadside, same day across London.