This Altus FD - M310 front derailleur is designed for 7/8 - speed systems. It features steel inner and outer links along with a steel chain cage for durability. The multi - clamp design allows it to fit frames from 28.6 to 34.9mm. With a multi - pull design and a total of 48 gear teeth, it's suitable for seattube angles between 66 and 69 degrees.

Using this Altus FD - M310 front derailleur is easy. First, make sure your bike's seattube angle is between 66 and 69 degrees and the frame size is from 28.6 to 34.9mm, then use the multi - clamp to attach it firmly. When shifting gears, the multi - pull design will help you make smooth transitions. For maintenance, regularly clean the steel inner and outer links and the chain cage to prevent dirt build - up. Check the gear teeth periodically to ensure they are in good condition. If you notice any issues, such as difficulty in shifting, it might be time to adjust or replace parts.