Seismic 180mm truck with Stable-Turn 30-degree geometry. Comes assembled with dark green Medium springs. Recommended for: Rear of wide pool/park boards. Rear of wide performance longboards. Front & rear of wide vert boards. Front & rear of wide downhill boards. Price is for a single truck; order TWO TRUCKS for one skateboard. TRK180/30$31.99Custom spring install: StandardMax-Light (+10.00)Super-Light (+10.00)Extra-Light (+10.00)Light (+10.00)Heavy (+10.00)Extra-Heavy (+10.00)Super-Heavy (+10.00)