Box One Os 31.8 Cromo 6.5" Handlebar

Box One OS 31.8 Cromo 6.5" Handlebar

Product Overview

The Box One OS is a 6.5" chromoly handlebar engineered with Oversized Technology to deliver maximum stiffness for responsive steering and pedaling control. Built from 4130 chromoly steel using extruded and mandrel-formed construction, it's designed for riders who need durable, precision-tuned geometry without unnecessary weight.

Key Features

• Oversized Technology — Strategic variation in wall thickness and tube diameter distributes material where it matters most, balancing stiffness with weight reduction
• 4130 Chromoly Steel — The industry standard for handlebar durability, offering superior strength-to-weight compared to alternative materials
• 13 Butted Construction — Variable wall thickness reduces overall weight while maintaining structural integrity in high-stress areas
• Massive Clamp Interface — 31.8mm clamp diameter maximizes contact surface with stem for locked-in steering precision
• Precise Geometry — 7° back sweep and 2° up sweep provide neutral, controllable positioning for technical riding and trick progression

Technical Specifications

• Material: 4130 Chromoly Steel
• Construction: Extruded and Mandrel Formed with 13 Butted walls
• Bar Bore (Grip Area): 22.2mm
• Clamp Diameter: 31.8mm
• Height: 6.5" (165.1mm)
• Width: 28.25" (717.5mm)
• Sweep Angle: 7° back, 2° up
• Weight: 920g (32.5 oz)
• Finish Options: Gloss Black or Chrome with pad printing

Compatibility and Ideal Use Cases

Compatible with any 31.8mm clamp stem. The neutral geometry and mid-range height make it suitable for street, park, and technical riders. Ideal for riders seeking a reliable, stiffness-forward handlebar without premium pricing. The balanced sweep angles work well for both manual progression and responsive trick work.