The NEWTON 31 stem is built in 2024 T3 alluminium alloy and CNC machined. It is a refined designed, strong and ultra-light (a shade more than 125 g for the longest reach) and is available in six different lengths.

Suitable for 28.6 mm steerer tube or, using the included sleeve, for 25.4 mm steerer. Titanium 6 Al /4 V hardware.


Key Features:

Extension: 90-100-110-120-130-140 mm
Front clamp diameter (bar bore): 31.7 mm
Fork steerer diameter: 28.6 mm (1 1/8") included sleeve for 25.4 mm (1") fork steerer
Steerer clamp bolt: Ti M5x15, tightening torque 5.9 ft.-lbs. (71in.-lbs.)
Handlebar clamp bolt: Ti M5x15, tightening torque 5.9 ft.-lbs. (71in.-lbs.)
Weight: 125 g
Finish: matt black anodized with silver anodized front clamp