The Tangent OS 31.8mm Split Top Load Stem has a clamping area to fit your oversized, 31.8mm bars and is a design evolution from Tangent’s original Split stem. Modeled and manufactured in America for the utmost in quality control, this stem has been tried, tested, and given a thumbs up by the likes of Romain Mahieu, and Sylvian Andre. Available in 52mm or 57mm sizing and with CrMo bolts, this stem weighs in at 330g and 345g respectively.

HIGHLIGHT

• 6061 T6 Aluminum
• Modeled after our popular “Split” Stem – 5 Axis 3D CNC Machined
• Made in the USA- Available with Chromo or Ti Bolts

WEIGHT

• 1 1/8″ 53mm Ti Bolts 285g – Chromo Bolts 330g
• 1 1/8″ 57mm Ti Bolts 300g – Chromo Bolts 345g