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