material :carbon fiber + red aluminum clamp
size diameter 34.9mm for 31.6mm /30.9mm/30.8mm seat post
size diameter 30.2mm for 27.2mm seat post

Technical Details

Product Details

Package Dimensions
Width : 2.48 inch
Height : 1.3 inch
Length : 3.43 inch

Shipping Weight: 0.8 ounce (View shipping rates and policies)

ASIN : B01I4Y29NE