![White powder on seat post on a carbon bike. Its all inside the seat post. Is this cause for concern : r/bikewrench White powder on seat post on a carbon bike. Its all inside the seat post. Is this cause for concern : r/bikewrench](https://i.redd.it/brki0yfik3r71.jpg)
White powder on seat post on a carbon bike. Its all inside the seat post. Is this cause for concern : r/bikewrench
🔊Sound On) Removing a stuck solid alloy seatpost today in a nice Niner carbon mtb frame. Came out a treat with my big seatpost puller👍... | By Norfolk Cycle Workshop | Facebook
![Stuck aluminum seatpost in carbon frame. Packed with dry ice. Have had dry ice around the outside for 10 minutes. I was able to get it to twist a bit by having the bike on its side and standing on a pipe wrench. 5lb slide hammer had no effect. Suggestions? : r ... Stuck aluminum seatpost in carbon frame. Packed with dry ice. Have had dry ice around the outside for 10 minutes. I was able to get it to twist a bit by having the bike on its side and standing on a pipe wrench. 5lb slide hammer had no effect. Suggestions? : r ...](https://b.thumbs.redditmedia.com/ELpG78TN6UXg-CWv6gKtzI9ZGO3JE2ZWdIcEftqg_Fc.jpg)