The precision-made saddle clamp clamps the seatpost in the frame as well as it looks. Saddle clamp with low-profile clamping bar for easy and quick saddle height changes. The bronze cradle allows fine adjustment of the required clamping force. The sleeve is suitable for carbon, aluminium, iron and titanium frames. Weight: 28.6mm - 34g | 29.8mm - 34.5g  |  31.8mm - 35g | 34.9mm - 36.5g  |  36.4mm - 37g | 38.6mm - 37.5g Material: 6061 T6 aluminum, M5 stainless steel bolt with integrated washer Tightening torque: 6 Nm Max Made in USA