ALIENATION Billy Club Pivotal: 333mm x 27.0, 27.2, 30.0, 30.9, 31.6 (lots of sizes) ALIUS Pivotal: 320MM x 27.2 (colors) Unsecure image, only https images allowed: http://www.danscomp.com/images/products/mid_472103.gifARESTIC Pivotal: 330mm x 27.2 ATOMLAB Pivotal: 260mm x 26.8mm, 27.2mm DA BOMB PSG-1 Pivotal: 200mm x 27.2 mm DARTMOOR Fusion Pivotal: 200 x 27.2mm Unsecure image, only https images allowed: http://i13.photobucket.com/albums/a287/hongyi2000/P1010804.jpgDMR Lock Jaw Pivotal: 330mm x 26.8mm, 27.2mm GUSSET Pivotal: 330mm x 27.2 INSPIRED Pivotal: 150mm x 27.2mm Unsecure image, only https images allowed: http://www.inspiredbicycles.com/images/custom/products/S_INS_seatpost.jpgMACNEIL V2 Pivotal: 330 x 27.2mm NOX - Monkey Post Pivotal: 330 x 30.9mm OCTANE ONE Pivotal: 150mm x 27.2mm Unsecure image, only https images allowed: http://img.bazarek.pl/70201/6713/1774749/3812365354cca8a400d9b3.JPGON-ONE Pivotal: 300mm x27.2 Unsecure image, only https images allowed: http://www.on-one.co.uk/imgs/products/440x380_constWH/SPOOPIV_P1.jpgSUPERCROSS Pivotal: 300mm X 27.2 VOLUME Fixie Pivotal: 311mm x 27.2mm
any other diameter will work (get the diameter from your current seatpost and get a shim...)
Unsecure image, only https images allowed: http://www.cyclesportsuk.co.uk/images/seatposts/main/Seatpost%20Shims.jpg