SDG I-Beam Aluminum Seatposts. I-Beam technology eliminates seat rails for a single beam incorporated into the saddle shell. I-Beam provides the widest range of fore and aft adjustments available and uses simple 1-bolt clamp.

• Uses a single, easy-access 6mm bolt for quick and simple adjustments or saddle changes
• 6061 cold forged aluminum head and clamps with 2014 aluminum tube

Specifications:

• Diameter:31.6 mm
• Length:400 mm
• Offset (mm):0 mm
• Color:Black
• Max Height:300 mm
• Min Height:100 mm
• Clamp Style:I-Beam
• Weight:229 g
• Material:Aluminum