Compare every bolt-on Mount for the VOLTRA I. Rack Mounts bolt through your rack holes with your own longer bolts; The Bolt Up family clamps around square tubing with included bolts and nut plates.
| Side Mount | Compact Upright 2" | Compact Upright 4" | Tall Upright | Simple Upright | Oval | The Bolt Up | The Bolt Up Fixed 60° | |
|---|---|---|---|---|---|---|---|---|
| Attaches to | Rack upright or crossmember with 1" or 5/8" holes, 2" on center (Force USA C20 pattern option) | Rack upright or crossmember, 2" hole spacing | Rack upright or crossmember, 4" hole spacing | Rack upright or crossmember, 6" hole spacing | Any rack or surface, 6" hole spacing | Any rack or surface, 6" hole spacing | Square tubes from 1" up to 3" wide with four 5/16"-18 bolts (included); also works with a strap (not included) | Square tubes from 2" up to 3" wide with four 5/16"-18 bolts (included) |
| Options | Hole Size: 1" Holes, 5/8" Holes, 1" Hole (Force USA C20 Pattern) DIY Dock: Mount only, With DIY Dock Drop Amount: Standard (3"), Deep (6 1/2") |
Hole Size: 1" Holes, 5/8" Holes Hole spacing: 2" on center DIY Dock: Mount only, With DIY Dock |
Hole Size: 1" Holes, 5/8" Holes Hole spacing: 4" on center DIY Dock: Mount only, With DIY Dock |
Hole Size: 1" Hole, 5/8" Hole DIY Dock: Mount only, With DIY Dock |
Hole Size: 1" Holes, 5/8" Holes DIY Dock: Mount only, With DIY Dock |
Hole Size: 1” Hole, 5/8" Hole DIY Dock: Mount only, With DIY Dock |
Bolt Length: 1", 3", 4" Dock: Mount only, With DIY Dock Nut plate: 2", 3" |
Bolt Length: 3", 4" Dock: Mount only, With DIY Dock |
| Price | From $70 (Standard) / $84 (Deep); with DIY Dock $104–$119 | $60; with DIY Dock $99 | $74; with DIY Dock $113 | $55; with DIY Dock $90 | $55; with DIY Dock $90 | $55; with DIY Dock $90 | $95–$98; with DIY Dock $130–$133 | $158–$159; with DIY Dock $193–$194 |
| Bolts | Two bolts at least 1/2" longer than your rack bolts (not included) | Two bolts at least 1/2" longer than your rack bolts (not included) | Two bolts at least 1/2" longer than your rack bolts (not included) | Two bolts at least 1/2" longer than your rack bolts (not included) | Two bolts at least 1/2" longer than your rack bolts (not included) | Two bolts at least 1/2" longer than your rack bolts (not included) | Included: four 5/16"-18 in 1", 3" or 4", plus two 2-hole nut plates (2" or 3") | Included: four 5/16"-18 in 3" or 4", plus a single 4-hole nut plate |
| Nut plate | Not applicable (bolts into rack holes) | Not applicable (bolts into rack holes) | Not applicable (bolts into rack holes) | Not applicable (bolts into rack holes) | Not applicable (bolts into rack holes) | Not applicable (bolts into rack holes) | Two separate nut plates, each with 2 holes; 2" or 3" (your choice, one size ships) | Single nut plate with 4 holes, 0.313" A36 steel, tapped 5/16-18 |
| Chafe pad | Included | Included | Included | Included | Included | Included | Included | Included |
| Offset / drop | Standard: 3" drop, 2 5/8" offset; Deep: 6 1/2" drop, 3 1/8" offset | 2 7/8" offset | 1 3/16" offset | 3 1/2" offset | None (Dock mounts flat on the face) | None (Dock mounts flat on the face) | Not listed | Not listed |
| DIY Dock positions | Top or bottom of the plate | Dock facing up or down | Dock facing up or down | Three positions, two at once: face of the plate plus top or underside of the foot; rotates 180° | 1 | Usable in either direction | Holds one DIY Dock | Holds one DIY Dock at a fixed 60° angle |
| Dock angle | 0° (straight) | 0° (straight) | 0° (straight) | 0° (straight) | 0° (straight) | 0° (straight) | 0° (from the face of the plate) | Fixed 60° |
| 2:1 doubling | No (no M10 hole) | No (no M10 hole) | No (no M10 hole) | No (no M10 hole) | Yes, with a doubling plate (sold separately) | Yes, with a doubling plate (sold separately) | Not listed | Yes, with a doubling attachment point |
| Dimensions | Standard: 6" × 8" × 3"; Deep: 5 1/4" × 8" × 6 1/2" | 4 3/16" H × 4 1/8" W × 5" D | 6 1/4" H × 4 1/8" W × 5 1/2" D | 8" H × 4 1/8" W × 5 7/8" D | 7 3/4" × 3 7/16", 1/4" thick | 4 1/4" × 7 11/16", 1/4" thick | Not listed | 7" H × 8-1/4" L × 4-1/2" W |
| Weight | Standard 2 lb 13.8 oz (3.35 lb with DIY Dock); Deep 3.93 lb (4.43 lb with DIY Dock) | 1 lb 11 oz | 2 lb 5.6 oz | 2 lb 10.1 oz; 3 lb 1.9 oz with DIY Dock | 1 lb 7.4 oz–1 lb 8.9 oz | 1 lb 12.4 oz; 2 lb 4.4 oz with DIY Dock | Not listed | Not listed |
| Material | 1/4" A36 steel, gloss black powder coat | 1/4" A36 steel, gloss black powder coat | 1/4" A36 steel, gloss black powder coat | 1/4" A36 steel, gloss black powder coat | 1/4" A36 steel, gloss black powder coat | 1/4" A36 steel, gloss black powder coat | 5/16" A36 mild steel, gloss black powder coat | 5/16" A36 steel, CNC laser-cut and laser-welded |

Side Mount
From $70. Fixed offset, Standard or Deep drop.

Compact Upright 2"
From $60. 2" hole spacing.

Compact Upright 4"
From $74. 4" hole spacing.

Tall Upright
From $55. 3 1/2" offset, flexible Dock positions.

Simple Upright
From $55. Flat plate, 6" spacing.

Oval
From $55. Flat oval plate, 6" spacing.

The Bolt Up
From $95. Clamps square tubing or a strap.

The Bolt Up Fixed 60°
From $158. Fixed 60° Dock plate, 2:1 doubling. Coming soon.