Unique to the industry, the Hayes HMX-1 uses all rolling elements which gives you stopping control at any speed. This brake modulates better than any linear pull brake or other mechanical disc brake. Disc Brake Weight (6″) 340 grams (Brake & Rotor).Fully sealed caliper keeps out mud and water. The tangential lever system allows adjustment for pad wear-out without changing brake performance. 74mm mounting
Disc brake power without the fuss of hydraulic fluid systems
Cable operated mechanical disc brake design means that you can upgrade to discs using existing compatible V-brake levers
Long arm, single piston design maximises performance for li.