The Bontrager Comp 31.8 stem is Blendr ready and provides a secure and confident connection to 31.8 handlebars for road, city, and mountain bikes. - 6061-T6 cast body construction - 4-bolt dual band clamp retains stiffness and reduces weight - Opposing 2-bolt steerer tube clamp with M5 corrosion resistant steel bolts - Blendr ready for seamless accessory integration - Compatible with Blendr Elite bases and Blendr mounts - Suitable for use on a road, city, or mountain bike - Safe for use on carbon steerer tubes and handlebars

Features a wide range of adjustment to dial in your fit. Ensure a proper fit for the best ride experience. Product details - High-quality alloy adjustable stem is quill-style, for use with threaded forks - Seamless integration with Bontrager's Elite Blendr mount kit, sold separately - Features 64 degrees of angular adjustment - 50mm stack height adjustment allows for a wide-range of fit options - Quill stem length is 180mm

- Steerer Diameter: 1" or 1-1/8" (includes shim) - Length: 70, 90, 110mm - Bar Clamp: 25.4 or 31.8 (includes shim) - Angle: +/- 35 degrees - Material: 6061 Aluminum - Shot-peen finish

- High angle stems designed specifically for use with Monstercross or Gravel bikes equipped with off-road drop bars - Available in +25° and +40° versions and lengths from 60 to 130mm - 3D forged 6061 aluminum construction - Fork Dia: 1-1/8" - Bar Clamp: 31.8 - Color: Blk - Material: AL6061

Origin-8's X-Tra Lift Stem Riser is an adapter that lets you raise your handlebars and stem. It fits over and securely bolts to 1 1/8-inch forks to extend them. This gives you more height to raise your stem/bars. You use the included spacers to dial in the best fit. The Stem Riser is made from forged 6061 aluminum and is anodized for durability.

Ritchey's 4-Axis Adjustable Stem features a precision 3D-Net shaped forged shaft that interconnects with a precision broached clamp to create the strongest, lightest, most secure adjustable stem available. - Stainless steel bar and steerer clamp bolts - Stack Height: 40 - Weight: 219g

The Elite X4 Mountain Stem is instantly recognizable because of Thomson's legendary style, and with strength to spare, this stem is more than just a pretty face. Made from a solid, one-piece block of 7000-series aluminum, the X4 combines exceptional strength with light weight for durable, solid steering control to tame the toughest trails. It has a four-bolt clamp design and reversible graphics, so your X4 looks great whichever way you run it.