These parts, like most rubber components on motorcycles, will be better being renewed as the old items will have perished or become less effective through general wear and tear. This high quality part will fit the bill beautifully.
Replacing all the similar associated items at the same time would be the best course of action.
Please make sure that the part numbers you order are compatible with your model. We try to ensure that online purchasing of Japanese motorcycle spares is a pleasant and user-friendly experience.