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New for 2026

Chamber

Slanted multi-spoke · simulated beadlock

The Chamber blends rugged style with modern design. A simulated beadlock ring gives it a tough, off-road-ready look, while the multi-slanted spoke design adds a dynamic, angular edge.

Exposed lug holes bring a bold, industrial character, for builds that want both performance and a serious visual statement.

Finish

Midnight Blue

Sizes & offsets (mm)

Available sizes by diameter
17"
17x9+1217x9−12
18"
18x9+1218x10−1218x12−44
20"
20x9+1220x10−1820x12−44

Not every size is offered in every bolt pattern. Tell us your truck and we'll confirm the exact fitment.

Specifications

Chamber spec sheet

Every size, offset, bolt pattern and finish for the GT Off-Road Chamber.

Download PDF
Diameters
17" · 18" · 20"
Widths
9" · 10" · 12"
Offset range
+12 to −44 mm
Lug options
5 / 6 / 8-lug
Center bore
78.1–125.2 mm
Max load
Up to 3,200 lbs
Finishes
5
Part numbers
36

Sizes & fitment

Chamber sizes, offsets and approximate backspacing
SizeDiameterWidthOffset (mm)Backspacing*Stance
17x917"9"+125.47"Mostly flush
17x917"9"−124.53"Mild poke
18x918"9"+125.47"Mostly flush
18x1018"10"−125.03"Mild poke
18x1218"12"−444.77"Aggressive poke
20x920"9"+125.47"Mostly flush
20x1020"10"−184.79"Mild poke
20x1220"12"−444.77"Aggressive poke

*Approximate, calculated from width and offset. Actual stance depends on your truck's factory offset, lift and tire size.

Bolt patterns

5x1275 x 5"
5x139.75 x 5.5"
6x1356 x 135 mm
6x139.76 x 5.5"
8x165.18 x 6.5"
8x1708 x 170 mm
8x1808 x 180 mm

Bolt pattern availability varies by size. See the part number list for exact availability.

Construction & features

  • Simulated beadlock ring (black on colour finishes)
  • Multi-slanted spoke design
  • Exposed lug holes

Finishes

GT Off-Road Chamber in Matte Black
Matte Black
GT Off-Road Chamber in Midnight Blue
Midnight Blue
GT Off-Road Chamber in Inferno Red
Inferno Red
GT Off-Road Chamber in Matte Gun Metal
Matte Gun Metal
GT Off-Road Chamber in Matte Bronze
Matte Bronze

Complete spec sheet

Chamber part numbers

Every Chamber SKU by finish, size, offset and bolt pattern. Give your dealer the part number for an exact match.

Download CSV

36 of 36 part numbers

GT Off-Road Chamber part numbers
Part #FinishSizeOffsetBolt patternCenter bore (mm)Max load (lbs)Quote
Matte Black17x9+125x127 / 5x139.778.12,500Quote
Matte Black17x9+126x135 / 6x139.7106.12,500Quote
Matte Black17x9+128x165.1 / 8x170125.23,200Quote
Matte Black17x9+128x165.1 / 8x180125.23,200Quote
Matte Black18x9+125x127 / 5x139.778.12,500Quote
Matte Black18x9+126x135 / 6x139.7106.12,500Quote
Matte Black18x9+128x165.1 / 8x170125.23,200Quote
Matte Black18x9+128x165.1 / 8x180125.23,200Quote
Matte Black20x9+125x127 / 5x139.778.12,500Quote
Matte Black20x9+126x135 / 6x139.7106.12,500Quote
Matte Black20x9+128x165.1 / 8x170125.23,200Quote
Matte Black20x9+128x165.1 / 8x180125.23,200Quote
Matte Gun Metal17x9+125x127 / 5x139.778.12,500Quote
Matte Gun Metal17x9+126x135 / 6x139.7106.12,500Quote
Matte Gun Metal17x9+128x165.1 / 8x170125.23,200Quote
Matte Gun Metal17x9+128x165.1 / 8x180125.23,200Quote
Matte Gun Metal18x9+125x127 / 5x139.778.12,500Quote
Matte Gun Metal18x9+126x135 / 6x139.7106.12,500Quote
Matte Gun Metal18x9+128x165.1 / 8x170125.23,200Quote
Matte Gun Metal18x9+128x165.1 / 8x180125.23,200Quote
Matte Gun Metal20x9+125x127 / 5x139.778.12,500Quote
Matte Gun Metal20x9+126x135 / 6x139.7106.12,500Quote
Matte Gun Metal20x9+128x165.1 / 8x170125.23,200Quote
Matte Gun Metal20x9+128x165.1 / 8x180125.23,200Quote
Matte Bronze17x9+125x127 / 5x139.778.12,500Quote
Matte Bronze17x9+126x135 / 6x139.7106.12,500Quote
Matte Bronze17x9+128x165.1 / 8x170125.23,200Quote
Matte Bronze17x9+128x165.1 / 8x180125.23,200Quote
Matte Bronze18x9+125x127 / 5x139.778.12,500Quote
Matte Bronze18x9+126x135 / 6x139.7106.12,500Quote
Matte Bronze18x9+128x165.1 / 8x170125.23,200Quote
Matte Bronze18x9+128x165.1 / 8x180125.23,200Quote
Matte Bronze20x9+125x127 / 5x139.778.12,500Quote
Matte Bronze20x9+126x135 / 6x139.7106.12,500Quote
Matte Bronze20x9+128x165.1 / 8x170125.23,200Quote
Matte Bronze20x9+128x165.1 / 8x180125.23,200Quote

Patterns shown with a slash are dual-drilled (one wheel fits both). Tap a part number to copy it. Not sure which one fits? Ask us and we'll confirm.

In the wild

Chamber, up close.

Toyota 4Runner on GT Off-Road Chamber wheels in Matte BronzeToyota Land Cruiser FJ40 on GT Off-Road Chamber wheels in Inferno RedToyota Tacoma on GT Off-Road Chamber wheels in the RockiesFord Bronco on GT Off-Road Chamber wheelsGT Off-Road Chamber in Matte BronzeGT Off-Road Chamber in Midnight BlueGT Off-Road Chamber in Midnight Blue in the grassGT Off-Road Chamber in Matte BronzeGT Off-Road Chamber in Matte Bronze, studio shotGT Off-Road Chamber wheelGT Off-Road Chamber wheelGT Off-Road Chamber wheelGT Off-Road Chamber wheelGT Off-Road Chamber wheelGT Off-Road Chamber wheelGT Off-Road Chamber wheelGT Off-Road Chamber wheelGT Off-Road Chamber wheel