Reverse Seatswitch Shim The Missing Piece for a Broader Fit The Reverse Seatswitch Shim expands the compatibility of the Reverse Seatswitch saddle angle adjuster to a wider range of dropper posts. Depending on your seatpost's design, either the small conical brass washer included with the Seatswitch or this larger shim is required for a proper, secure fit. Features Expands Seatswitch compatibilityto additional dropper post models beyond the standard Type 1 fitment Lightweight aluminum constructionadds minimal weight to your setup Simple drop-in fitmentalongside your Reverse Seatswitch installation SPECIFICATIONSIntended Use Reverse Seatswitch Compatibility Accessory Material Aluminum Weight6g Thickness2mm Compatibility Required for select dropper posts including One Up V1/V2, PNW Loam/Coast/Pine, Race Face Aeffect R/Chester/Next SL, Tranz X, and others (see compatibility list) | Reverse Components | Reverse Seatswitch Shim Type 3