The World's Largest Online Bike Store
    • Hayes Master Cylinder Assembly - Dyno Comp

        • $48.99 48.99
        • RRP $59.49
        • Save 18%
    • Select Colour
      Select Option
      Left Hand - White
      Right Hand - White

Hayes Master Cylinder Assembly - Dyno Comp

Dyno is a compilation of 13 years of brake design starting with the original Mag brake in 1997. It has an industry first piston and master cylinder bore design inspired by the powerful Prime brake platform. This is our most durable design to date.


  • Lifetime leak-proof warranty
  • Vesrah yellow performance pads
  • Long wear semi-metallic pads
  • Weight: 400g
  • Hose color: Black
  • Lever: Adjustable Reach
  • Pad material: Vesrah semi-metallic
  • Intended Use: XC, AM

Buy Hayes Master Cylinder Assembly - Dyno Comp from Chain Reaction Cycles, the World’s Largest Online Bike Store.

  • Delivery cost $9.99
  • Delivers toUnited States of America
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or fitted.

    More information on returns
  • Pay by Bank Transfer, PayPal or Card


  • Colour: White
  • Option: Left Hand - White, Right Hand - White

Brake Spares Buying Guide

  • We've got everything you need to know in our buying guide.

When buying Brake Spares also consider...