A possible concise summary is:
The speaker is a BMX rider who visits a friend's store to choose a new bike. He asks questions and explains the features of different models, such as the size, quality, price, weight, and design of the frames, wheels, pedals, brakes, and other parts. He also gives some tips and advice on how to ride and maintain a BMX bike. He tries out a bike that he likes and decides to buy it. He also changes some parts of the bike to suit his preferences and style. He records the whole process and invites the viewers to comment and ask questions.
Here are the key facts extracted from the text:
1. The speaker is on their way to see a friend named Pere.
2. It's a special day because the speaker is choosing a new BMX.
3. The speaker's current BMX frame is heavy and no longer manufactured.
4. The current BMX frame broke after four months but has been welded and used for four or five years.
5. Some parts of the BMX, like the deck and ship, are cracked or have play.
6. The power of the BMX is reversed, which is unusual.
7. The speaker has had their BMX power for six years.
8. BMX sizes are always measured in inches from center to center.
9. The speaker suggests that if faced with two sizes, choose the larger for ramp or street style and smaller for personal taste.
10. For someone 181 cm tall, a BMX size of 20.75 to 21 inches is recommended.
11. The speaker discusses various BMX models and their features, including sealed steering and rear vessels.
12. The quality of BMX tubes affects resistance and weight; high-tech or triple butted tubes are preferable.
13. A comfortable saddle is important for BMX riding.
Please let me know if you need more details or further clarification on any of these points.