#B11-OP2A - Optional parts set for BD11 Upgrade 2

An item that tunes around the front, which you should try when driving on high-grip roads or high-speed layouts. 

The graphite front stiffener plate and upper deck support firmly secure the front bulkhead. Prevents twisting and improves trace accuracy. 

By using the front belt tensioner together, the belt can be prevented from jumping, and the driving force is not lost even during sudden acceleration, and the machine is surely pushed out.