Combining All Mountain strength, Enduro stiffness and XC weight savings, this stem is ideal for any type of riding style. The unique 240-degree, two-piece clamp area allows much of the stem material to be removed without sacrificing strength and is offered in a variety of sizes for rider preferences and setups. Renthal Apex Stem Features CNC machined from a solid billet of 7075 aluminum 240 degree clamps create a secure wrap around the handlebar Stem can be run with either a +/-6 degree angle Oversized center bore increases stiffness and strength Extensive external 3D machining increases torsional stiffness, yet reduced weight Durable anodizing and laser graphics Renthal Apex Stem Specs Steerer Tube: 1-1/8" Bore Clamp: 31.8mm / 35.0mm Length: 31mm, 33mm, 40mm, 50mm, 60mm Angle: +/- 6 degrees Stack Height: 40mm Material: Aluminum Weight: 118g (31.8x40mm)