SportFit, Inc.

MERRITHEW Split-Pedal Stability Chair



The Split-Pedal Stability Chair is a multifunctional Pilates machine that can be adjusted to train most muscle groups. This sturdy piece of equipment helps the exerciser achieve upper- and lower-body strength and conditioning, enhance stability and improve body control. Ideal for rehab clients or those who need to stay in a seated or upright position, helping to rebalance muscles while providing a full-body workout. It also facilitates high-performance exercises for athletes and fitness enthusiasts.

Compact and easy to move, the Stability Chair is perfect for studios, gyms or homes with limited space.


  • Includes fully adjustable handles that attach and detach easily, locking securely for lunges and dips
  • Smaller base of support and dual pedals allow for bilateral, unilateral and reciprocal movements to increase intensity and overall balance
  • Two pedals move independently or lock together quickly and securely to function as a single unit
  • The only Stability Chair built with a double-steel frame for increased durability and stability
  • Spring tension adjusts easily with unique hook-on system for quick interchange
  • Pedals cushioned with ultra-soft foam for comfort
  • Compact size for maximum portability and easy storage
  • Easy-roll wheels facilitate repositioning or moving equipment
  • Equipped with 2 heavy chair springs, 2 light chair springs, 3 hook-on spring attachments, high-density foam and vinyl covered pedals
  • Full assembly required
  • Owner’s manual available

Our original AirBike, built from the ground up to bring on the burn.



Dimensions · Stability Chair — Overall

Width 31 in / 78.8 cm
Height of base 24.3 in / 61.5 cm
Height with handles 55.5 in / 141 cm
Weight 82 lbs / 37.2 kg
Arc curve 117°


Dimensions · Stability Chair — Seat

Width 21.6 in / 54.9 cm
Depth 15 in / 38.1 cm