Reinvigorate your workout routine with our roundup of the week's best fitness deals. Add weight training to your regimen with a 150-lb. dumbbell set, bag a cheap activity tracker to watch all your stats, and more. Ronten R2 Fitness and Activity Tracker Store: Amazon Price: $18.39 via code "42SNSUN3" EXPIRED Shipping: Free shipping via Prime Lowest By: $55 Expiration: October 12 This smart Bluetooth fitness and activity tracker has a budget price tag, but can do much more than just track steps. Record your daily activities in the app; receive notifications for alarms, calls, and social media; and more. Choose from Black, Blue, or Purple at this price. The device tracks steps, calories, distance, and sleep and features a 0.86" OLED touchscreen display, Bluetooth 4.0, smart notifications, water-resistance, TPE band, and rechargeable lithium battery with up to seven days of use per charge. Prefer a different color? It's also available in Pink or Teal for $20.79 with free shipping (even without Prime) via the above coupon. Cap Barbell 150-lb. Rubber Hex Dumbbell Set Store: Walmart Price: $149.99 EXPIRED Shipping: Free shipping Lowest By: $42 Expiration: October 28 This Cap Barbell 150-lb. rubber dumbbell set could be the perfect addition to your home gym. Build both upper- and lower-body muscles with the variety of weights included in this setup. The hexagonal shape ensures they won't roll away, and ergonomic handles make the dumbbells easy to hold, no matter how long you work out. The set includes 5- to 25-lb. cast iron dumbbells coated in rubber to protect floors and equipment and a 2-tier 20" storage rack. Skechers GoWalk Heart Rate Monitor Watch Store: Staples Price: $9.99 EXPIRED Shipping: In-store pickup, or $9.95 s&h Lowest By: $120 Expiration: October 3 Go beyond your basic pedometer with this Skechers GoWalk heart rate monitor watch. It includes a handy alarm, stopwatch, timer, and calendar display, plus it can take your heart rate when you place your fingers on the metal watch nodes. Choose from a number of colors, with both bright and neutral options (Black pictured) to suit your personal taste. It features a silicone case and band and backlit LCD display. Best Choice Products 56-lb. Curl Bar Barbell Weight Set Store: Amazon Price: $36.02 EXPIRED Shipping: Free shipping Lowest By: $19 Expiration: October 6 Up your bicep curl game with this 56-lb. curl bar barbell weight set. It's easy to store, so it can be another ideal addition to your home gym. The bar's "W" shape makes it more comfortable and steady to hold. It comes with two spin-lock collars that keep the plates in place, ensuring you have a safe workout every time. The set includes one barbell, two 5.5-lb. plates, and two 16.5-lb. plates. Note: It's currently on backorder, but can still be ordered at this price. Manduka To & Fro Mat Bag Store: REI Price: $22.73 Shipping: In-store pickup, or $5.99 s&h Lowest By: $18 With this Manduka To & Fro Mat Bag, you can store and carry your yoga mat with ease . It's an eco-friendly, top-loading bag that looks great wherever you go to practice your vinyasa. It fits most mid-sized mats, and the Element color is hand-dyed and AZO-free. The bag features an adjustable carry strap and drawstring closure.