RATING: 4.7 - 7 Reviews


MSRP: $199.99

Make your equipment more efficient with this leg curl and leg extension attachment. Good for the HF 5165 and HF 5170 machines, this attachment will let you do upper and lower body workouts on the same machine.

HOIST Leg Curl/Extension Attachment HF-OPT-4000-01 for 5165 & 5170

Attach to either the 7 Position F.I.D Olympic Bench HF-5165 or the 7-position F.I.D bench HF-5165 for greater diversity in your routine. Great for people who need to pack a diversity of exercise options in a small space.

Manufacturer Hoist Fitness
Manufacturer Website Visit Manufacturer's Website
Product Number HF-OPT-4000-01

Applies to defects from manufacturer only.


Our Residential warranty applies to equipment used in a home setting and where the equipment will be used by home occupants only.

  • Body/Frame: Lifetime
  • Structural Moving Parts: 10 Years
  • Finish/Paint, Cables, Upholstery and Accessories: 10 Years


Our Light Commercial Warranty applies to facilities that DO NOT charge monthly membership dues and where the equipment would be used by no more than 50 people per day. Examples of Light Commercial facilities include hotels, apartment complexes, personal training studios, fire stations, police stations, etc., that meet the criteria stated above.

  • Body/Frame: 10 Years
  • Structural Moving Parts: 5 Years
  • Bearings, Bushings, Pulleys: 3 Years
  • Finish/Paint, Cables, Upholstery and Accessories: 1 Year