Anodised and laser engraved for easy identification and featuring a ratchet/torque wrench compatible 3/8" drive

Having the right tools for the job makes your life a whole lot easier

Mounts to your seat post (12-32mm)

Stack Heights: External Cup (EC) — 12mm bottom

JetBlack Z1 Pro Fluid Trainer with SQR Fit System and App algolia-ignore Anodised and laser engraved forThe JetBlack Z1 PRO Fluid is a high quality, fluid resistance bicycle trainer. Fluid resistance trainers provide a more road like' feel than magnetic trainers and this feel is increased by a higher weight flywheel. The JetBlack Z1 PRO Fluid has one of the heaviest flywheels on the market and has the longest run down time in its class. The proprietary fluid in the JetBlack Z1 PRO Fluid increases resistance exponentially, the faster you spin the harder