03-04 YAMAHA WR450F: FLU Designs Grip Seat Cover (BLACK) The new FLU Designs all black grip seat cover is a specifically designed seat cover to enhance your riding ability with the power of today's bikes. FLU Designs has put in a lot of time at the test track and at the races with some of the top factory pro riders to design a seat cover that offers maximum traction but still lets you slide around on the seat when needed. The all black Grip seat cover is designed for riders looking for a durable black seat with a solid grip. Made with durable and lasting materials.