Cane Creek Seatpost Shim I.D. 30.9 [O.D. Size: 34.9] (AAE0110) Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Cane Creek Seatpost Shim I.D. 30.9 [O.D. Size: 34.9] (AAE0110) Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...