Heavy duty bolt-on aluminum seatpost clamp.

Dimension Seatpost Binder Bolts - 16g

Dimension Seatpost Clamps - Diameters: 28.6mm, 30.0mm, 31.8mm, 35.0mm - Weight: 34g

Dimension Stem Column Adaptors - Total quill length 180mm - Measurement from minimum insertion to top of steerer adaptor is 118mm - Alloy - Quill insertion diameter: 1-inch