Box Hex Lab UD Carbon BMX Handlebar-4.5" adult-xx-large Sizes: SM/MD (50-56 cm)

Sizes: SM/MD (50-56 cm)

The bar that started it all

Sealed Material 6061 Color Weight 65g

Rigidity is key for first straight pull and accelerating out of turns

Constructed from high-strength composite for durability

Box Hex Lab UD Carbon BMX Handlebar-4.5" adult-xx-large Sizes: SM/MD (50-56 cm)The Box Hex Lab UD Carbon BMX Handlebars 4. 5" at J&R Bicycles use quality materials and thoughtful engineering to deliver smooth steering and pedal power. Made with Box's Oversized Technology, these bars provide a backstop to prevent lifting when pulling up on them which also increases the stiffness of your pedaling. Efficient power delivery and steering control add to the responsiveness of these handlebars, and they are designed especially for