FSA ACR split spacers and Tavelo can be utilized with this product
As mentioned before
Made to adapt the great looking Specialized Tarmac SL7 / SL8 stems to FSA ACR and SMR split spacers
Please see third photo for product without weights
This product is designed to fit the Enve Melee top cover
Low Stack Internal Cable Routing Adapter / Dustcover for Time, De Rosa, etc. w/ standard FSA ACR headsets | Internal_Cable FSA ACR split spacers andWhy do you want it? You seeking a lower stack solution (~4mm 6mm) for your Time (2025+ ADHX ADHX 45 Alpe D'Huez, Scylon), De Rosa (Merak, Idol, 838, Spider), or other bikes that are using a standard FSA ACR headset. These adapters may also fit other bikes that use standard dimensioned FSA ACR SMR internal routing headsets with a ~56 mm OD headtube. They work best with electronic drivetrains. You want to use an FSA Vision, S Works Tarmac, Kalloy Uno,