J Bikes Cruiser Delux Saddle Ultimate Comfort 13" Bicycle Seat Ultimate Comfort - Lycra Cover - Extra Plush Padding - Steel Rails Elastomer Suspension - Large Web-Spring Base - (LxW) 330x330mm / 13x13 Durable Steel Springs Flex to Relieve Pressure Points - Increase Shock Absorption 7/8" Seatpost Clamp Included for Popularity of Industry Standard Compatibility Exclusively Sold and Shipped by J Bikes