Making its debut on the all-new Roubaix the S-Works Future stem is the stiff lightweight upgrade that your Roubaix has been waiting for. It’s compatible with all Future Shocks (with shim) & our Specialized accessory mount & its sleek design will create a seamless integration. Sleek & seamless integration with all Future Shocks (with shim see below). Supremely stiff for responsive handling & feel. Compatible with the Specialized accesory mount. 6-degree rise Length options: 70-140mm Approximate weight: 145g (100mm) * If you wish to make a stem length change on your current Future Stem 2.0 equipped 2020 Roubaix you require no additional parts. * For none 2.0 Future Shock versions you would need the shim adapter see our product ID- 82856