The JetBlack Z1 PRO Fluid is an award winning trainer and like all JetBlack trainers

The crystals inside the sealant also help to plug larger holes

Will not leave a residue when removed

they feature a traditional lace up style closure

It is perfect for gravity style riding

SwissStop Catalyst Centrelock Disc Brake Rotor - 140mm - Centrelock PLP|Model Year The JetBlack Z1 PRO FluidYou probably thought all Rotors were the same right? Well, not the Catalyst centerlock rotor from SwissStop. In 2015 some pretty smart engineers did a lot of testing of all the main rotors on the market and analysed the results. They then used their findings to develop a whole new rotor, one that offered sustained endurance and effective thermal management. What does this mean in the real world? Less brake fade, shorter stopping distances, slower wear