Quick view Fibre Glas Fin Co. 11.0” Bing Pivot by Fibre Glas Fin Co. (Wide Base) Used Longboard - Single Fin - Black CONDITION: This used 11" Bing Pivot Singlefin by Fibre Glas Fin Co. (Wide Base) is in great condition!The leading and trailing edges are both super clean with only a small chip near the top of the fin. There are some scratches and scufffs scattered... Now: $74.99 MSRP: $90.00 Was: Add to Cart