Choose Options Quick view Clarke Clarke Beta BETA-RR Gas Tank All Clarke Tanks Take 2-3 weeks to ship as they are built on demand. 3.8 GALLON TANK.BUILT TO FIT THE 2010-2012 BETA 350/400/450/520 RS and 2011-2013 350/400/450/520 RR BIKE.COMES WITH NEW CLARKE CLARKE CAP. USES STOCK PETCOCK. WILL NOT WORK WITH CLARKE... MSRP: $259.99 Choose Options Add to Wish List Compare