Wheel Offset, Backspacing & Poke Visualizer
Compare current vs new wheel/tire specs to visualize clearance, poke, spacers, and camber.
OCX build: ocx_20260211_40 • JS: not loaded
Visual reference only — always measure and verify
Hub face is 0mm reference
Camber changes TOP/CENTER results
DATUM: Hub mounting plane = 0mm
Inside (left) • Outside (right)
Front visualizer
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Disclaimer: Visual reference only — not a substitute for real measurements.
Tires vary by model and suspension travel changes everything. Always measure, test-fit, and confirm.
How to measure Fit Check + Max TOP (Hub-based)
All inputs start from the HUB FACE (0mm plane). Hub face is the flat mounting surface where the wheel/spacer sits.
Fit Check lines (green)
- Fender clearance @ TOP (mm): hub face → outward to the closest fender/liner at the TOP reference height.
- Strut clearance @ CENTER (mm): hub face → inward to the closest strut/knuckle at CENTER height.
- Lines only appear when value > 0.
Max TOP clearance (yellow)
- Max TOP (mm): measure from hub center height straight up to your top clearance reference point. Enter that mm.
- The tool draws a full-width dotted yellow line and a vertical yellow measurement at hub centerline.
- Line only appears when value > 0.
Measure tool
- Click Measure, then click two points (anywhere on the visual).
- Snap: Free / Horizontal / Vertical. Clicking a line snaps to it automatically.
- Use Reset to start over.
Front summary
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Front tire
TOP poke—
TOP inner—
CENTER poke—
CENTER inner—
Front wheel
TOP poke—
TOP inner—
CENTER poke—
CENTER inner—
Front setup
Eff. offset (new)—
Backspacing (C→N)—
Inputs
⚠️ Only Offset and Camber may be negative. Everything else clamps to ≥ 0.
Tools
mm → in
in → mm
Current opacity
New opacity
Front axle Current vs New
Current
New
Wheel width (in)
Wheel dia (in)
Offset ET (mm)
Spacer
Camber (°)
Front tires (same 3 boxes)
Current tire
SAE
Metric
Metric (W / AR / Rim)
Parsed: —
New tire
SAE
Metric
Metric (W / AR / Rim)
Parsed: —
Fit check inputs (Hub-based)
Lines appear only if value > 0
Fender clearance @ TOP (mm)
Strut clearance @ CENTER (mm)
Max TOP clearance (yellow)
Line appears only if value > 0
Max TOP (hub center → TOP) (mm)