ABOUT BDX PERFORMANCEBDXP is the leading USA technical expert in the Chinese vehicle off road market. Our engineers and technicians have helped thousands of people in the past twenty years keep their vehicles running. We have a full machine shop where we manufacture performance parts and engines to get maximum performance out of your vehicle.DESCRIPTION The BDX Heavy Duty Yerf Dog Spiderbox Swing Arm is currently in design.  We are taking pre-orders.  First come first serve.  There are thousands of Yerf Dogs out there with cracking swing arms.  Be the first to order and get yours first.Pictured is a stock Yerf Dog swing arm. The swing arm pictured is not the BDX one that we will be manufacturing.  This is an old swing arm.The BDX swing arm:Is beefier and has more rigidity due to thicker materials it's made out ofHas the bearing / axle mounts moved back further to allow space for the 232cc engine.Has the shock mounts relocated for better shocksComes unpaintedEstimated 3 week lead times.  Be sure to ask the lead time when you order.GUARANTEED FIT FOR THE FOLLOWING VEHICLES SPECIFICATIONS