Brompton Advance 4-Speed Derailleur for P Line and T Line

This is an authentic 4 - speed derailleur designed as a perfect replacement for Brompton P Line and T Line bikes. It comes with fixing bolts, making installation a breeze. The part code is Q102995, ensuring you get the right fit for your bike. Enhance your Brompton's performance with this reliable derailleur.

Using this 4 - speed derailleur is easy. First, make sure your Brompton P Line or T Line bike is in a stable position. Then, use the included fixing bolts to attach the derailleur to the appropriate part of the bike. When shifting gears, do it smoothly to avoid any sudden jolts. As for maintenance, keep it clean by wiping it down regularly with a dry cloth. Check the bolts periodically to ensure they are tight. If you notice any unusual noises or difficulty in shifting, it might be a sign that the derailleur needs adjustment or further inspection.