DOT 5.1 Brake Fluid 

High-performance DOT 5.1 hydraulic brake fluid for MTB, road, hybrid and e-bike braking systems — compatible with AVID, SRAM, Formula, Hayes and all DOT 4/5.1 systems.

Product Details

DOT 5.1 is the highest-grade glycol-based brake fluid available, offering superior heat resistance and performance over DOT 3 and DOT 4. Ideal for demanding riding conditions where consistent stopping power matters.

• 100ml bottle — enough for 2–3 standard bleeds of front and rear brakes
• 3x more effective heat absorption than DOT 4
• Higher boiling point — reduces brake fade on long descents
• Backward compatible with DOT 3 and DOT 4 systems
• Compatible with AVID, SRAM, Formula, Hayes and all other DOT 4/5.1 braking systems

⚠️ Important: DOT 5.1 is not compatible with mineral oil brake systems (Shimano, Magura, Tektro, NUTT, Zoom etc.). Using DOT fluid in a mineral oil system will damage seals and internals.

Good to Know

Need the tools to go with it? Check out our AVID/SRAM Bleed Kit which includes syringes, Bleeding Edge adaptor, bleed block, and everything needed for a complete bleed.