Ritchey: Ritchey Liquid Torque is an essential weapon for anyone assembling, maintaining or repairing a bicycle. Liquid Torque creates extra friction between two surfaces, allowing tightening torque to be reduced by up to 30%. Less tension on sensitive parts of your bike, like carbon fiber bits, means longer product life and more reliability.Particularly useful when over-clamping can damage sensitive components such as carbon bars or steerer tubesApproved for use with carbon, steel, alloy and titanium surfacesUse with Ritchey Torqkey to ensure safe installation of Ritchey bars and stems