Shimano Hydraulic Disc Brake Mineral Oil-1L stem-length-51mm 4-bolt chainring

4-bolt chainring

Its chromoly front triangle ensures durability

so you can save a few grams and ditch one of your grip clamps

Featuring double walled aluminum

Shimano Hydraulic Disc Brake Mineral Oil-1L stem-length-51mm 4-bolt chainringThe Shimano Hydraulic Disc Brake Mineral Oil 1L is formulated to keep your hydraulic system running smooth and consistent under pressure. This non corrosive mineral oil delivers excellent heat expansion properties for stable brake performance, even during long or demanding rides. It wont absorb moisture from the air, helping maintain reliable feel over time, and its non caustic, non toxic formula makes servicing cleaner and safer. Each bottle contains