Two piece calliper design is both rigid and durable. Shimano BL-M4100 Hydraulic Brake Lever Right BL-M4100-R 1000mm. Brake Lever Length: 1000mm. Can be used with the revolutionary Center Lock rotor system which fits easily to Center Lock compatible hubs; alternatively conventional 6-bolt rotors can be used all in a choice of 160 mm, 180 mm and 203 mm.
