If you are looking to improve your cycling skills here are Twelve Tips. As improving will mean different things to different people this is an eclectic list of resources to explore.
1. Explore different resources
One explanation of puncture repair may not be 100% clear to you so look at a few to get the full picture
2. Search engines
If you have problems such as the rear wheel popping up when you stop suddenly do a web search and explore braking
3. Ask your cycle group buddies
If you have questions or problems ask at the group ride coffee stop as people will be happy to help though bare in mind you will get many answers to the same question
4. Transport for London (TfL)
The TfL website is suitable for those wanting to get out on the road with online learning and videos plus links to other guides such as puncture repair
5. Cycling UK
Cycling UK have a great website you can use to build your cycling knowledge and is very beginner friendly
6. Park Tool
The commercial company Park Tool provide tools and a library of YouTube videos to help the home mechanic use those tools
7. Sheldon Brown
Excellent, inspirational and quirky, this well respected site provides clear and detailed information
8. Walk Wheel Cycle Trust
The Walk Wheel Cycle Trust maintains the National Cycle Network of routes which you will recognise by the numbered NCN signs
9. Seek out resources
Cycling has many niches so seek out the resources that are relevant to you whether that is social rides, commuting or long distance touring
10. Ready to explore
Use cycle.travel to create your route, export the route then open it in Komoot or your favourite navigation tool and there is now a companion app
11. British Cycling
British Cycling is the governing body for Cycling in the UK and has lots of information including how to become a ride leader
12. Global Cycling Network (GCN)
For more advanced information or just bike maintenance tutorials the Global Cycling Network (GCN) has a wealth of information and videos