Как настроить передачи на велосипеде

Introduction

This tutorial will guide you through the process of setting up the front and rear gear shifters on your bicycle. Properly adjusting your bike's transmission is crucial for smooth shifting, which enhances your riding experience and prolongs the lifespan of your bike components.

Step 1: Gather Your Tools

Before you begin, make sure you have the following tools on hand:

• A 5mm Allen wrench for adjusting the derailleurs
• A screwdriver (flat-head or Phillips, depending on your bike)
• A bike stand or a way to hold your bike upright

Step 2: Inspect Your Gear Shifters

• Check the condition of your shifters for any signs of wear or damage.
• Ensure the cables are not frayed or rusted, as this can affect shifting performance.
• Confirm that the shifters are properly mounted and functional.

Step 3: Adjusting the Rear Derailleur

1. Locate the Limit Screws: On the rear derailleur, find the two limit screws marked 'H' (high) and 'L' (low).
2. Set the High Limit:
   • Shift to the smallest sprocket (gear) at the back.
   • Adjust the 'H' screw until the derailleur aligns perfectly with the smallest sprocket.
3. Set the Low Limit:
   • Shift to the largest sprocket at the back.
   • Adjust the 'L' screw to ensure the derailleur does not go beyond the largest sprocket.

Step 4: Tension the Cable

• Shift to the middle gear on the rear cassette.
• Pull the cable tight and secure it in place using the cable clamp on the derailleur.
• Test the shifting by moving through all the gears to ensure smooth transitions.

Step 5: Adjusting the Front Derailleur

1. Find the Limit Screws: Similar to the rear derailleur, locate the limit screws on the front derailleur.
2. Set the High Limit:
   • Shift to the largest chainring (front gear).
   • Adjust the 'H' screw until the derailleur is aligned with the chain.
3. Set the Low Limit:
   • Shift to the smallest chainring.
   • Ensure the derailleur does not allow the chain to fall off.

Step 6: Fine-Tune the Shift Quality

• Test the shifting between all front and rear gears.
• If shifts are hesitant or the chain skips, adjust the barrel adjuster on the shifter to fine-tune cable tension.
• Turn the barrel adjuster clockwise to increase tension and counterclockwise to decrease it.

Conclusion

You have successfully set up your bike's gear shifters! Regularly check and maintain the cables and derailleur adjustments to ensure optimal performance. If you encounter persistent issues, consider consulting a professional mechanic. Happy cycling!