T1 Stems are CNC machined from 2014 aircraft grade T6 alloy- the best available and feature a 4 bolt clamp that gives a firm and secure grip on your carbon or alloy bars. We Guarantee no bar slippage You´ll really get to see the benefits of the SAS (Speed Align System) with the stem as it allows accurate bar angle adjustment. Features: - TAG SAS (Speed Align System)- TAG Speed Adjust bar markings- 2 opposing steerer clamp bolts- 4 bolt bar clampSpecifications:- Weight: 181g (35/35)