Fluid trainers provide a thoroughly stable ride, but they’re also super intense and life-like compared to other stationary styles, mimicking everything from sprints to uphill climbs. Perfect for people who live in apartments or in other close quarters, our noise reduction resistance wheel eliminates that incessant ‘whirring’ and ‘humming,’ so everyone is happy. No more manual adjustment! The level of friction fluctuates based on your pedaling speed, making this fluid system ideal for riders wanting to change pace as they go. The Alpcour rear axel skewer has a quick release feature making it easy to secure into place. This makes setup easy for professionals and even beginners. It tightens firmly and can withstand rigorous trainings by professionals. The Quick Release Skewer is designed as a rear wheel replacement skewers that will save time and effort while disassembling and reassembling. You can easily remove and set it up any time! The ALPCOUR Quick Release Skewer is made with only the highest quality alloy. Giving you high levels of hardness and sturdiness, this skewer will surely last for a long time despite everyday use.