Inline 2:1 Doubler

Inline 2:1 Doubler

Single Hole / 1" Hole / Mount only
$115.00
$115.00
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Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Dual Pin — view 2
  • Inline 2:1 Dual Pin — view 3
  • Inline 2:1 Dual Pin — view 5
  • Inline 2:1 Dual Pin — view 6
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
  • Inline 2:1 Doubler
Inline 2:1 Doubler

Inline 2:1 Doubler

$115.00
$115.00
Shipping calculated at checkout.
Mounting Holes
Hole Size
Choose: DIY Dock
Upright Size (Width × Depth)

How upright size works

Our mount designs stay the same. Fit for other upright sizes comes from sized chafe pads when you pick that option. Pick the size that matches your rack so the pads ship ready to fit.

For fine-tune on a standard 3×3, see shim kit installation.

Upright Size Width × Depth: top-down tubing cross-section. Depth is front-to-back of the tube, not rack height.
Width × Depth — top-down tubing cross-section; Depth is front-to-back of the tube (not rack height)

The Evolver Flat Foot 2:1 Inline is really the one you're looking for.

Yes

Inline 2:1 Doubler

Inline  2:1 Doubler Mount securely attaches your Beyond Power VOLTRA I to any standard 3x3 rack while providing a dedicated pulley arm for a block-and-tackle setup. This delivers a true 2:1 mechanical advantage, doubling the felt resistance of your VOLTRA I — up to 400 lbs.

Its slim, low-profile design allows it to fit neatly into tight or narrow spaces where other mounts simply won’t. When installed, the VOLTRA I is oriented parallel / in-line with the rack upright or crossmember.

Note: If you prefer the VOLTRA I oriented perpendicular to the upright or crossmember, we also offer the Cross 2:1 Doubler Mount.

This single-pin mount provides a secure, stable connection with quick and easy height adjustments during your workout.

What’s Included:

  • Chafe pad shims for a tighter fit and reduced movement
  • Allen wrench for adjustments

United States flag Proudly made in the USA for serious athletes who demand reliable, space-saving performance.

Note: DIY Dock, push pin and carabiner shown in product images are not included.
Specifications
Length4.25 in
Height5.125 in
Width5.5 in
Weight2.3062 lb
Weight with DIY Dock2.8062 lb
Rack fit3x3 with 5/8" or 1" push pin (not included)
MaterialA36 steel, gloss black powder coat
Material thickness0.25 in
Included hardware6 × M4-0.7 × 10 mm flat-head socket cap screw
4 × M4-0.7 × 12 mm flat-head socket cap screw
NotesWeight 2 lb 4.9 oz without dock; 2 lb 12.9 oz with DIY Dock (shown as 2.3062 lb / 2.8062 lb). Height 5 1/8 in. Pin hole center is 4 1/8 in from top of plate and 1 in from bottom. Doubling hole M10×1.5. One 3/4 in (0.75 in) carabiner hole. Length field is plate depth 4 1/4 in.

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