Renthal Duo Stem - Black - Gold - 31.8mm - 40mm x 10 Degree - 1 1-8th Inch Envelope Shipping Spoke Holes: 32

Spoke Holes: 32

They also come with a foldable hanger so if you are the type person who likes to put all their tools on the wall

28mm external width

Dirt Mag Top 100 Product - 4 years running for 2014

Rugged Design: Made of oversized hollow aluminium tubing for strength and reliability

Renthal Duo Stem - Black - Gold - 31.8mm - 40mm x 10 Degree - 1 1-8th Inch Envelope Shipping Spoke Holes: 32Renthal's revolutionary Duo stem combines high strength with ultra low weight. The stem is horizontally divided, allowing it to be machined in two pieces. This method gives unrestricted access to the stem core, enabling weight to be reduced to the absolute minimum, without compromising strength. Features CNC machined from 6082 T6 aluminium alloy Split stem design for maximum weight reduction U shape cradle clamp eliminates handlebar stress risers