. Fenwick’s Brake Fluids are manufactured to the highest quality standards and specifications, not only in the bike industry, but also in the automotive industry. Fenwicks DOT5.1 Brake Fluid is no exception. Due to the safety critical aspect of the product, no corners are cut whatsoever. Fenwick’s packaging is unique and offers a fully sealed ready to use fluid, which not only allows accurate product dosage but may also be a substitute for the syringe used in bleeding The robust packaging also protects the product to maintain it in the best possible condition for use, as it uses a laminated foil substrate to prevent migration of product and water absorption. Features: High boiling point Superior performance Unique protective packaging Suitable for disc brakes that require DOT 3, 4 or 5.1 brake fluidsBuy Fenwicks Workshop from Chain Reaction Cycles, the World’s Largest Online Bike Store.