The LoneWolf Aero Chainguide is a lightweight, sleek, reliable option to prevent dropped chains in road, gravel, and CX races for bikes with 1x drivetrains. This chainguide has been tested and developed alongside Team Jumbo-Visma, who have trusted the LoneWolf Aero chainguide in cycling’s biggest races. These chainguides feature the GuideLock Quick Adjustment System that provides an 8mm range of positioning without shims. Compatible with Cervelo S5, P5 bikes, and any other Cervelo frames that have a braze-on front derailleur mount with the same seat-tube profile Tested and developed alongside Team Jumbo-Visma, who have been racing with this in some of road cycling’s biggest races, winning the Maglia Rosa, Maillot Jaune, and Maillot Rojo in 2023 Mounts directly to the frame in place of the braze-on Only for use with 1x drivetrains Head has 8mm of adjustment for chainline via Wolf Tooth's GuideLock quick adjustment system 6061-T6 aluminum base, stainless steel hardware, and injection molded head