Clint Reynolds & Co. wanted to tweak S&M's classic challenger stem to better suit their style of riding, the result? The Turtleneck. A 6061-T6 aluminium, CNC machined stem that's a little longer & narrower than the Challenger with an internal cutout that lightens it up. Its got a 52mm reach with a 24.5mm rise which can be inverted to 7mm. section Product Specs TYPE: Top Load REACH: 52mm RISE: 24.5mm (7mm inverted) CLAMPING DIAMETER: 22.2mm WEIGHT: 357.2g (12.6oz)