Twisted Banana Seat Trim Chrome. Bike seat, bicycle seat, Bike part, bicycle part, lowrider bike seat, lowrider bicycle seat, beach cruiser, stretch, chopper bike seat, lowrider part We carry over 3,000 bicycle parts and accessories. If you have any questions about any of our parts, please send us an email. Long: 18 3/8" Width: 5 7/8" Material: Steel