2003 Chevrolet TrailBlazer Wheel Backspacing
5.47 in
Quick specs
OEM configurations
| Configuration | Rim | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|
| 4.2 · I6, Petrol | 7x16 | ET50 | 5.47 in | 245/70R16 | 6x127 | 77.8 mm | M12 x 1.5 |
| 4.2 · I6, Petrol | 7x17 | ET50 | 5.47 in | 245/65R17 | 6x127 | 77.8 mm | M12 x 1.5 |
| 4.2 · I6, Petrol | 7x16 | ET50 | 5.47 in | 235/75R16 | 6x127 | 77.8 mm | M12 x 1.5 |
| 4.2 · 4.2L, LL8, I6, Petrol | 7x17 | ET50 | 5.47 in | 245/65R17 | 6x127 | 77.8 mm | M12 x 1.5 |
| 4.2 · 4.2L, LL8, I6, Petrol | 7x17 | ET50 | 5.47 in | 255/60R17 | 6x127 | 77.8 mm | M12 x 1.5 |
| 4.2 · 4.2L, LL8, I6, Petrol | 7x16 | ET50 | 5.47 in | 245/70R16 | 6x127 | 77.8 mm | M12 x 1.5 |
Compare wheel position See wheel offset
Backspacing values above are calculated from OEM wheel width and offset using BS = width/2 + offset_mm/25.4 (same formula as the fitment calculator).
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More specs for the 2003 Chevrolet TrailBlazer
Backspacing on these pages is calculated from OEM wheel width and offset (width/2 + offset_mm/25.4). Higher backspacing seats the wheel farther inward; lower backspacing moves it outward.