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The Wolf Tooth LoneWolf Aero Chainguide for Cervelo prevents dropped chains on select Cervelo models when equipped with a 1x drivetrain. This product has been 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. 


  • Compatible with Cervelo S5 and P5 bikes that have a braze-on front derailleur mount
  • 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 our GuideLock quick adjustment system

Compatible Chainrings
Frame High Sweep Mid Sweep Low Sweep
S5 54T - 60T 48T - 54T 42T-48T
P5 54T - 60T 48T - 54T 42T-48T
Caledonia/Cal-5 54T - 60T 48T - 54T 42T-48T
Soloist 54T - 60T 48T - 54T 42T-48T
Aspero/Aspero-5 50T - 56T 44T - 50T 38T-44T
R5CX 48T - 54T 42T - 48T 36T-42T

Related products

Drop-Stop® chainrings

GnarWolf Chainguide

LoneWolf Aero Chainguide

Right To Repair

Tech Specs

Weight:  High Sweep: 27g | Mid Sweep: 31g | Low 30g
Material: 6061-T6 with stainless steel hardware
US Patent 

WARNING Handling this product will expose you to chemicals, including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For further information go to