Gyraline. The Portable Wheel Alignment Tool.
The Most Compact, Sensor-Based Alignment Tool for Toe, Camber, & Caster.
Industry Recognized
Validated and Trusted by Industry Leaders and Professionals Worldwide.
How Gyraline Works
See how our software and hardware combine to put portable alignments in your hands
Unbelievably Simple. Blazingly Fast.
Reference the rear axle (or chassis centerline), then compare all four wheels for fast, repeatable alignment.
“I trust this more than alignment shops—first drive tracked straight.”
Trusted Where It Matters Most
“After a wall tap, you can check alignment in the hot pit in seconds. If toe moved, you'll see it immediately—no guessing, no waiting. In Formula Drift, speed is everything.”
When fractions of a degree determine podium finishes, racers trust Gyraline for track-proven accuracy. Fast setup times, repeatable results, and the confidence to push the limits.
Gyraline G1
★★★★★200+ Verified ReviewsTurn your iPhone into a repeatable 4-wheel alignment system. Using our patent-pending Quad-Point Adapter and sensor-fusion software, the G1 delivers race-proven repeatability in a pocket-sized powerhouse.
G1 is Only Compatible with iOS. Need Android Compatibility? Gyraline G2 supports both iOS and Android via USB-C!
Fast, Repeatable Results
Get consistent toe, camber, and caster readings you can trust—without the guesswork.
Typical repeatability within race-relevant tolerances.
Track-Ready Durability
No delicate lasers or strings. Built for the garage and the pits.
Lifetime License
One-time purchase. No subscriptions. No hidden fees.
⚡ G1 is produced in limited runs. When this batch sells out, lead times increase.
Introducing Gyraline G2
The professional instrument for shops and teams who need repeatable, defensible results.
Precision Redefined.
We took something great and made it better. By integrating aerospace-grade sensors into the tool, G2 works with any iOS or Android device with USB-C — no more iPhone-only limitation. Multi-sensor measurement improves reference-verified repeatability, creates a faster workflow, and keeps results consistent across your entire team, regardless of their phone preference.
Reference-Grade Repeatability
Integrated sensors measure Toe, Camber, Caster, and Ackermann with reference-verified repeatability you can defend.
Streamlined Workflow
Multi-sensor measurement reduces steps and repeat passes. A few measurements per wheel deliver a complete 4-wheel alignment check with a faster workflow.
Universal Compatibility
Works seamlessly with Android and iOS via USB-C. Firmware updates keep your G2 improving as new features roll out.
Built for shops and teams who need repeatable, defensible results.
Trusted by 20,000+
Enthusiasts love it. Shops use it for quick checks.
G1 Customers
★★★★★
“Excellent product. Finally, alignment accuracy I can trust—and I can fine-tune anytime.”
★★★★★
“Super impressed. I trust this more than alignment shops—first drive tracked straight.”
★★★★★
“After testing on multiple cars, I'm convinced. Hope the team keeps improving—it's powerful.”
★★★★★
“Saved me a trip to the alignment shop. I align on my time, when I want.”
★★★★★
“We use it for quick checks to decide if a full rack alignment is needed.”
★★★★★
“Very easy to use. Replacement was handled immediately—excellent customer service.”
G2 Owners
★★★★★
“Major upgrade over G1. Delrin quality is excellent—and it's fast to use.”
★★★★★
“Loved G1. Even more impressed when my Founders Edition G2 arrived—great for checking alignment.”
★★★★★
“Great quality. Wish I'd had this 30 years ago.”
Specs in Seconds, Not Hours
Gyraline devices replace the complexity of parallel strings and the cost of shop visits with 20-second digital verification.
Instant Visibility
Eliminate the Guesswork
Know exactly where your alignment stands before making adjustments.
3D Vector Mapping
Sensor-driven measurements turn wheel position into clear, repeatable alignment data.
Full Alignment Freedom
Toe
Measure and compare toe quickly without traditional strings or racks.
Camber
Check wheel angle with repeatable digital measurements.
Caster
Measure steering-axis geometry without relying on a full alignment rack.
“Excellent product. Finally, alignment accuracy I can trust—and I can fine-tune anytime.”