The Corner Coach is the only adjustable seat bump that allows riders to choose their desired riding position on the motorcycle&';s seat. Improve corners, starts, and technique by training with proper body position. Select the color that best matches your ride. Installation: Remove seat bolts, and slide The Corner Coach over the seat to desired position (recommended rear 3/4 of seat). Pull the strap tight and tuck excess material under the seat base. Re-install the seat bolts. * Universal fit - fits any factory seat. Results may vary on modified or aftermarket seats. *Not designed to be permanently mounted. Use as needed.