9+ 自転車 Bb とは Article

レトロ運搬自転車京都の中古自転車・新車販売サイクルショップエイリン from www.cycle-eirin.com

Introduction

自転車 BB, also known as bicycle bottom bracket, is an essential component of a bicycle. It is the part that connects the crankset to the frame of the bike. The BB sits inside the bottom bracket shell, which is the cylindrical opening at the bottom of the bike's frame. The BB is responsible for supporting the weight of the rider and transferring power from the pedals to the bike's drivetrain.

Types of 自転車 BB

There are various types of 自転車 BB available in the market, including cartridge, cup and cone, and press-fit. Cartridge BB is the most common type of BB. It features a sealed cartridge that contains the bearings and spindle. Cup and cone BB, on the other hand, has loose bearings that are housed in cups and cones. Press-fit BB is a newer type of BB that uses press-fit cups to hold the bearings.

Choosing the Right 自転車 BB

Choosing the right 自転車 BB is important for the optimal performance of your bike. Factors to consider when selecting a BB include the type of bike you have, the type of riding you do, and your budget. It is essential to choose a BB that is compatible with your bike's frame and crankset.

Installing 自転車 BB

Installing a new 自転車 BB can be a challenging task for beginners. It requires special tools and knowledge. It is best to have a professional mechanic install your BB to ensure it is done correctly. However, if you prefer to install it yourself, there are many online tutorials that can guide you through the process.

Maintaining 自転車 BB

Maintaining your 自転車 BB is crucial for its longevity and performance. It is essential to keep it clean and lubricated regularly. Over time, the bearings may wear out and need to be replaced. It is essential to inspect your BB periodically for signs of wear and tear and replace it if necessary.

Conclusion

In conclusion, 自転車 BB is a vital component of a bicycle that plays a significant role in its performance. Choosing the right BB, installing it correctly, and maintaining it regularly can improve the overall performance of your bike. It is essential to seek professional help when necessary and inspect your BB regularly to ensure it is in good condition.