146 x 15 x 2.5 Challenger Extreme, Center Port, 2.86" Pitch, Single ply, Fully Clipped $575 shipped lower 48. Track has about 100 miles on it. Sold sled and new owner opted to go back to a 144"x2". Also will have avid 2.86" pitch 8tooth with center anti ratchet sprocket for Polaris chai case splined shaft available. Same mileage right around 100 miles $180 shipped lower 48