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

CNC machined aluminium cups

The original Crank Bros cleats made from premium brass

has better moisture wicking ability and moves with your body more than ever before

Bite Valve with straight connector for high performance situations

SRAM GX 11 Speed Rear Derailleur - 11 Speed Do Not Ship Internationally The JetBlack Z1 PRO FluidTHE NEXT GENERATION OF SRAM Leveraging the legendary history of SRAM shifting, the GX rear derailleur provides incredible shifting speed and precision. X ACTUATION technology eliminates slop and shifting variation. ROLLER BEARING CLUTCH technology delivers maximum drivetrain stability even through the most punishing terrain. And with CAGE LOCK technology, wheel removal and installation are easier than ever. Specifications for GX 1x11 X HORIZON Rear