Bike_M1_S1.2.4_T1

The D stands for derailleur, dropper post, and drop test. The derailleur is used to shift gears, so it's important to check for debris or broken pieces. If your bike has a dropper post, make sure it's working properly. The drop test is a way to identify any other issues. Lift your bike off the ground and drop it, listening for any strange sounds. Investigate any abnormal noises you hear. The D is for derailleur, dropper post and drop test. Select each part to learn more. The derailleur is how you shift gears. Inspect the derailleur for debris or broken pieces. Check the functionality of your dropper post if so equipped. The drop test is a check to help identify other issues. Start by lifting your bike a few inches off the ground. Carefully drop the bike down and listen for clunks or other abnormal sounds. Then, investigate any abnormal noises.