Check the listing for details. Go-Go Folding Mobility COMPLETE ULTRALIGHT SEAT S19 go cart kart Scooter. Condition: Used. Listed at 30.00 USD. Seat is in good condition. Ready to install! This seat would also be great for any project that requires a very light seat in a small form factor go-carts etc.!!! See photo for measurements. multiple mounting holes pattern is about 6-1/4" wide by 5" with 3 sets of holes (12 threaded holes total). Mounting holes are M8x1.25 thread. 15" wide 15" long 5" high back. weight is 4-1/2 lbs.Seat is in good condition. Ready to install! This seat would also be great for any project that requires a very light seat in a small form factor go-carts etc.!!! See photo for measurements. multiple mounting holes pattern is about 6-1/4" wide by 5" with 3 sets of holes (12 threaded holes total). Mounting holes are M8x1.25 thread. 15" wide 15" long 5" high back. weight is 4-1/2 lbs.