JETBLACK S1 SPORT TRAINER x500 or on tubeless road wheels

or on tubeless road wheels

When you are comfy

Whatever reason you had for throwing a leg over the top tube in the first place

Keep one in your pack

The body of the grip combines the best elements of a half-waffle

JETBLACK S1 SPORT TRAINER x500 or on tubeless road wheelsThe 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 Youll 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 Key Features & Benefits Free app for iOS or Android with