ACS Maindrive Headset EC30/25.4|EC30/26 Black Alloy 6061-T6 Using a basic shock pump

Using a basic shock pump riders can now tune the support of their coil shock by adding pressure to the RAMP Tube

Includes: Long and short derailleur chain support

high-performance trekking tire at an economical price is what youre after

5mm wide inner base

Capable of holding a bottle or small chain or strap lock

ACS Maindrive Headset EC30/25.4|EC30/26 Black Alloy 6061-T6 Using a basic shock pumpForged steel cups, alloy tops and cap with sealed bearings Available for 1" (25. 4mm) or 1 1 8" (28. 6mm) EC (traditional cup) applications Model Maindrive S. H. I. S. EC30 25. 4 EC30 26 Color Black Weight 157g Size EC30 25. 4 EC30 26