StairMaster TwistLock Adjustable Dumbbells
To replace 550 pounds of traditional gym dumbbells, home exercisers need only pick up two: StairMaster's TwistLock set. The adjustable dumbbells start at 5 pounds and climb by 5-pound intervals to 50 pounds, up to 100 pounds combined, so beginners, intermediate, and veteran circus strongmen alike can use them to get a solid workout. The dummbells adjust quickly and without removing their hands from the handles: users place them in cradles, twist to the new weight level, lock, and go. This user-friendly design appears in many details: the ergonomic, soft-grip handles, the durable plates, and even the fact that the dumbbells resemble traditional weights, so using them feels natural.
- Mimics experience of working out with gym dumbbells
- Easy-to-use TwistLock weight-adjustment system
- Twist to adjust and lock
- Easy-to-read dual-sided weight-selection windows
- No knobs, pins, or levers
- For safety, adjustments must take place when weights are docked in included cradles
- Contoured and textured soft-grip handle
- Durable plates made from molded high-impact plastic
- Aluminum weight cradles for storage and adjustment
- Space efficient
- Weight range: 5 to 50 lbs.; 5 lb. increments
- Lighter when used on the moon
- Appropriate for all fitness levels
- Wide range of possible exercises
- Exercise guide details 20 distinct dumbbell exercises for a total-body workout
Since 1983, designers at StairMaster have proudly built fitness machines that users "love to hate." Their demanding products deliver results: improved physical fitness and a healthier body. Their original machines stimulated stepping up, toning the lower body particularly well. On more modern models, a stairway actually unfurls as users move, mimicking the act of climbing stairs or dwelling in a middle tier of purgatory even more precisely. Though the brand remains dedicated to their original design, they've expanded their fitness line to include other fitness gear.
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In a Nutshell
These ergonomic dumbbells easily adjust to weight levels of 5 to 50 pounds, allowing users of all levels to strength train at home
The Fine Print
Limit 3 per person, may buy 2 more as gifts. Does not ship to AK/HI/Canada/Puerto Rico. Most orders are delivered within 12 business days from the purchase date. Does not ship to PO boxes. FINAL SALE; no returns unless defective. See return policy. Must pay applicable tax and provide name and shipping address at checkout, which will be shared to facilitate shipping. Goods sold by Groupon Goods. 2 year warranty on parts from StairMaster.