30.9mm to 31.6mm steapost conversion shim. Looking to fit your fancy carbon post or dropper to another bike frame but just found out your frame is too big and your seatpost too small? We've been there too, this is what you need.
Lightweight, strong and reliable - this alloy seatpost is just perfect for a modern mountain bike!
High quality super-lightweight HM (High Modulus) Carbon seatpost from Italian accessory masters, Selcof. Available in 27.2mm and 31.6mm. Micro-adjustability for fine-tuning your saddle position.
