It is placed under your bicycle's front wheel to elevate it to the same height as the rear wheel ensuring that your bike is level and stable

Optics Wipe: No wipe

Gravity Dropper

Box Two Prime 9 Speed X-Wide Derailleur

JetBlack S1 Sport Magnetic Trainer with Lite App PLP|Colour It is placed under yourThe JetBlack S1 Sport Trainer is a magnetic resistance bicycle trainer that is perfectly tuned for fitness riding The S1 is an economy package that has a fixed resistance mode When used with the full range of JetBlack sensors You'll be able to fine tune your entire training experience You can even upload your session to Training Peaks and Strava All JetBlack trainers come with a lifetime warranty. Out of the box, it only works with QR end caps.