The Look E-Post Locking Screw and Nut is the dedicated replacement hardware for Look's E-Post seatpost system — a small but critical component that secures the post at your chosen saddle height. When this fastener strips, corrodes, or goes missing, the seatpost becomes non-functional, making this a straightforward fix that restores full use of your setup. Look designs these components to precise tolerances specific to the E-Post, so fitment is exact. Substituting generic hardware risks cross-threading or inadequate clamping force — neither of which you want holding your saddle in place on a ride. Look E-Post Locking Screw and Nut Specs at a Glance Compatibility: Look E-Post seatpost Manufacturer: Look SKU: DTAC/0263222 Includes: Locking screw and nut