




JetBlack S1 Sport Trainer
The S1 is simple and basic, featuring a preset resistance unit attached to a sturdy alloy frame. It grips your bike firmly and can handle sprinting out of the saddle without the risk of tipping over. The two legs fold into the U-shaped main frame, making it portable enough to take in the car for race warm-ups.
Original: $86.07
-70%$86.07
$25.82Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The S1 is simple and basic, featuring a preset resistance unit attached to a sturdy alloy frame. It grips your bike firmly and can handle sprinting out of the saddle without the risk of tipping over. The two legs fold into the U-shaped main frame, making it portable enough to take in the car for race warm-ups.















