USE Sumo Aluminum Seatpost Tube - Aerospace aluminum construction Graphics - tough and durable laser etched Head/Clamp - Forged and CNC'd 7075 T6 Aluminum Material - CNC'd 7075 T6 Aluminum Finish - Machined/Anodized Aluminum parts Weight - 230g Rail Size - 7mm as standard Minimum Insert Depth - 100mm Color - Black Layback/Offset - 10mm Layback/Offset - 10mm SUMO Clamp - Anodized, Laser etched angle adjust At the forefront of technology and engineering excellence Development and testing support from leading bicycle brands