00Read later0Read MoreHere's why your Fox shock aerated so easily.mountainbiking·David-KWS·1 day ago#pHVTbWPk#mountainbiking#redditmountainbiking#shock#used#polyurethane+6 more🧰Tag tools✨Add tagFox used polyurethane seals in their rear shock sealheads in some form for a long time. Replace them with NBR at the minimum and you'll have a much more reliable shock. submitted by /u/David-KWS [link] [comments]15s