• Black compact exercise device with three foam rollers and handles.
  • Adjustable weight bench with leg extension and preacher curl pads for home gym.
  • Person using leg extension/curl machine with padded roller pads in a gym.
  • Man in gym seated on leg extension machine with blue weight plate.
  • Woman in gym leaning on orange power rack, preparing for leg exercise.
  • Close-up of a person assembling a weight bench in a gym, with an orange clip.
  • Man tightening bolts on a gym weight bench during maintenance.
  • Close-up of a person using a foam roller on their leg at a gym machine.
  • Blue 45 lb weight plate on a gym machine with an orange rack.
  • Black three-roller fitness device with a bar and adjustable frame.

PRx Performance

PRx Leg Curl/Extension

Rack attachment · 16 × 23.5 × 24 in · 37 lb · lifetime warranty

BL1608B

$509.99 USD
Configure your Attachment

Ships from the manufacturer's US warehouse. Ships by parcel · ship date confirmed after you order 

Why buy from us: who we are, how an order works, and warranty and return help

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At a Glance

  • Size: 16 × 23.5 × 24 in
  • Weight: 37 lb
  • Warranty: Lifetime (see terms)
  • Material: Steel; black powder coat; foam; vinyl

Description

Specifications

Size & capacity

Dimensions (L × W × H) 16 × 23.5 × 24 in (40.6 × 59.7 × 61 cm)
Weight 37 lb (16.8 kg)

Construction

Material Steel; black powder coat; foam; vinyl
Finish Black powder coat

Use

Function Adds leg curl and leg extension capabilities

Compliance

Recommended age 16+

Identifiers

Model BL1608B
UPC 00810201941275

Shipping & Delivery

Ships fromThe manufacturer's US warehouse
MethodParcel
DeliveryParcel to your door
Ship dateConfirmed by email after you order

Warranty

Product Lifetime

Prx Warranty (PDF)

PRx Performance's warranty excludes orders that are ultimately transported to an international destination, Alaska or Hawaii (effective 10/01/26).

Resources

We don’t have manuals or documents listed for this product yet. Please contact us for more information.

Return Policy

30-Day Return Policy

Return new, unopened and unused items in their original packaging within 30 days of delivery. A 10% restocking fee applies to all returns, and you pay return shipping. Refunds go to your original payment method.

You can cancel within 24 hours of placing your order.

Read the full Refund Policy

Which is right for you?

XMARK Viper Attachment Package: You train on an XMARK Viper rack — the Viper attachment package is designed exclusively for XMARK Viper Racks
PRx Build Limitless Band Pegs: You only need band resistance — PRx Build Limitless band pegs use a 5/8 in (1.59 cm) pin and weigh 5 lb (2.3 kg)

PRx Leg Curl/Extension XMARK Viper Attachment Package PRx Build Limitless Band Pegs
Price
From $509.99 USD
$149.00 USD
From $36.99 USD
Available in

Configure your Attachment: Leg Curl/Extension Only, Add Axis Pad, Add Weight Post, Add Axis Pad and Weight Post

Select Pack: 4 Pegs, 2 Pegs

Dimensions
16 × 23.5 × 24 in
12 × 3 × 3 in
Weight
37 lb
25 lb
5 lb
Warranty
Lifetime warranty
Lifetime mainframe; 2-year wearables
Lifetime warranty

More Machine & Bench Attachments

All Machine & Bench Attachments (23)

What exercises does this attachment add?

It adds leg curl and leg extension capabilities to a rack setup, per the listed function spec.

Will it fit my rack?

The attachment measures 16 × 23.5 × 24 in and weighs 37 lb. Contact us with your rack's make and model and we'll confirm fit before you order.

What are the dimensions and weight?

16 × 23.5 × 24 in, L × W × H, and 37 lb (16.8 kg).

What warranty does it carry?

PRx covers the product with a lifetime warranty. The Prx Warranty document is linked on this page.

When will it ship?

It ships by parcel from the manufacturer's US warehouse. We send your order to the manufacturer right away and confirm the ship date with you. Installation is not offered.

Shipping & Delivery

View full policy

  • 1. Shipping & Tracking

    As soon as your label prints, you’ll get a “Shipment on the way” email with tracking and a Bill of Lading (for freight). Follow the link to watch each scan in real time.

  • 2. Delivery

    • Small packages: arrive at your door with no signature required.
    • Freight: the local terminal calls to book a curbside appointment. Be present to sign, inspect, and note any damage before the driver leaves.

  • 3. Inspection, Support & Setup

    Inspect every shipment before you sign for it and note any damage on the delivery receipt. If anything is missing or damaged, email photos and your order number to help@myfitnessoutlet.com within 48 hours of delivery, and we’ll work with the carrier and manufacturer on a replacement, repair or refund. If the item is returned, our standard return terms apply. Need it assembled? Assembly Services connects you with vetted local installers by ZIP code.