1996 Geo Tracker Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1996 Geo Tracker, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x139.7 (5x5.5") |
|---|---|
| Lug Nut / Bolt Size | 12x1.25 |
| Center Bore (CB) | 108.4 mm |
| Offset (ET) | 10 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 5x139.7 is commonly referred to as 5x5.5" in US Standard.
1996 Tracker — Year-Specific Fitment Context
The 1996 Geo Tracker is in year 5 of 6 using the 5x139.7 pattern (1992–1997). Wheels from any 1992–1997 Geo Tracker are cross-compatible with the 1996 model.
Geo Tracker Bolt Pattern by Year
The table below shows how the Tracker's wheel specifications have changed over the years. The 1996 model year is highlighted.
5x139.7 Pattern Context
This bolt pattern appears on 261 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x139.7:
Expert Buying Guide for 1996 Geo Tracker
For your 1996 Geo Tracker, the 5x139.7 bolt pattern is shared with 1992–1997 models, but aftermarket wheels require hub-centric rings to adapt the 108.4mm center bore—without them, vibrations and lug stud stress occur. Offset is critical: the factory 10mm offset must be maintained within ±5mm to avoid rubbing on suspension or fenders. Always use lug nuts with the correct 12x1.25 thread pitch and a conical (60-degree) or ball seat matching the wheel's taper; mismatched seats cause loosening and wheel loss. Verify lug nut torque to 80-90 ft-lbs and re-torque after 50 miles.
Historical Fitment Data Reference
In our dataset, Geo Tracker appears from 1992 to 1997 (6 model years). Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 0.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50 miles of driving to account for wheel seating and gasket compression.
- ✅ Avoid wheels with a center bore smaller than 108.4mm; they won't fit without machining.
- ✅ Check offset carefully: positive offset beyond 15mm may contact the strut, negative offset below 5mm may rub the fender.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ Torque lugs in a star pattern to 80 ft-lbs (108 Nm), then re-check torque after 50-100 km (30-60 miles).
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1996 Geo Tracker — Frequently Asked Questions
What is the bolt pattern for a 1996 Geo Tracker?
The 1996 Geo Tracker uses a 5x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 108.4mm and the offset is 10mm.
What other years of Geo Tracker have the same bolt pattern as the 1996?
The Geo Tracker uses the 5x139.7 pattern from 1992 through 1997. Wheels from any of these model years are dimensionally compatible with the 1996, provided the offset and center bore also match.
Why is matching the 108.4mm center bore important for the 1996 Tracker?
The 108.4mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
What is the factory wheel offset for a 1996 Geo Tracker?
The OEM offset for the 1996 Tracker is typically around 10mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What does 10mm offset mean for the 1996 Tracker?
An offset of 10mm means the wheel's mounting surface is 10mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Geo.
How do I measure the bolt pattern on my 1996 Geo?
The 1996 Tracker uses a 5x139.7 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
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