Carbon Fiber Seatpost In Aluminum Frame

The bike shop sent me a little sachet of carbon assembly paste to try.

Carbon fiber seatpost in aluminum frame.

When a seat post is fitted an anti slip compound should be applied to prevent loosening of the seatpost. An anti slip compound can prevent damage caused as. The seatpost now stays put without having to tighten the clamp too much. Given the potential for galvanic corrosion where carbon and aluminium are in contact in a wet environment a carbon seat post is probably a good idea in a full carbon frame.

A lot of road bikes come spec d with aluminium options until you reach around the. A carbon seatpost is lighter and promotes comfort seatposts are generally constructed from aluminium or carbon. I gave the seatpost a light coating and reinserted it. With a steel aluminum or magnesium frame spray oil or better yet frame saver into the seat tube to arrest the corrosion process.

A galvanic reaction occurs between the two different materials and this acts to eventually bond the post to the frame. When inserting an aluminum post into a carbon frame it is important to apply a barrier between the two surfaces. I ve subsequently bought a pot of the carbon paste and whip the post out every 6 months or so for a quick wipe down and reapplication.