MyLaps TR2 Kart Transponder

MyLaps TR2 Kart Transponder

The MyLaps TR2 Kart Transponder is the current-generation rechargeable transponder for kart racing in New Zealand. If your club or series uses MyLaps timing — and the vast majority of NZ karting venues do — this is the transponder your class requires. Accurate to the millisecond, rechargeable via USB, and managed entirely through the Speedhive app on your phone.

Harris Race Radios is an authorised MyLaps dealer for New Zealand, supplying genuine MyLaps transponders direct through the official MyLaps supply chain. When you buy from us, you're buying the real thing with full warranty support — not a grey import.

What Is a Transponder and Why Do You Need One?

A transponder is a small electronic device mounted to your kart that communicates with timing loops embedded in the track surface. Every time you cross a loop, the system records your passage to the millisecond — generating your lap times, race results, and heat scores that appear in your Speedhive account and on the official results sheet. Without a transponder, your laps cannot be officially timed and you cannot be classified in results. Most NZ karting clubs require competitors to carry their own transponder.

Which TR2 Do I Need — Kart vs Car/Bike vs Speedway?

MyLaps manufactures different TR2 variants for different motorsport disciplines. The variants are not interchangeable — always select the one that matches your primary racing discipline:

Not sure which variant your club or series requires? Contact Aaron Harris before ordering — +64 27 449 9654 or aaron@harriscomms.co.nz

TR2 vs TR2 Go — Full Comparison

For any competitor racing a full karting season, the TR2 is the better long-term investment. Contact Aaron Harris if you're unsure which suits your situation: +64 27 449 9654

Key Features

• Rechargeable battery — up to 5 days backup on a single charge, fully charged in 5 hours
• Bluetooth subscription management via the Speedhive app — buy, activate, and manage your subscription from your phone without sending the unit away
• Free online access to all practice and race results via the Speedhive platform — lap times, heat scores, race history
• Compatible with all MyLaps X2 and TranX timing systems
• Compact kart-specific form factor — designed to fit standard kart transponder mounts
• Unlimited warranty during active subscription (TR2 Go: 2-year warranty only)
• Unique 8-digit transponder ID registered to your MyLaps account — move between karts without reprogramming

Specifications

Getting Started

1. Download the Speedhive app and create or log in to your MyLaps account
2. Register your TR2 transponder using the serial number or Bluetooth pairing
3. Purchase and activate your subscription in the app
4. Mount the transponder on your kart per your club's requirements
5. Confirm with your club timekeeper that your transponder ID is registered for your entry

Subscription Information

MyLaps TR2 transponders require an active subscription to function at timed events. Subscriptions are purchased and renewed through the Speedhive app. The unlimited warranty on the TR2 is only valid while a subscription is active — if your subscription lapses, the warranty reverts to standard terms.

Full subscription guide: MyLaps TR2 Subscription Guide →

Common Mistakes When Buying a MyLaps Kart Transponder

• Buying the wrong variant. The TR2 Kart is not interchangeable with the TR2 Car/Bike or TR2 Speedway. Always confirm which transponder your club or series requires before ordering.
• Forgetting to budget for a subscription. The transponder purchase does not include a subscription. Factor in the cost of a 2-year or 5-year subscription when comparing prices.
• Buying second-hand without checking subscription status. A second-hand TR2 with a lapsed subscription loses its unlimited warranty. Always verify subscription status before buying used.
• Not registering before race day. Register your unit in the Speedhive app and confirm your transponder ID with your club timekeeper before your first event — not on the morning of.
• Assuming one transponder covers all disciplines. If you race both karts and cars, you may need separate transponders. Contact Aaron Harris for advice on your specific situation.

Also in the MyLaps TR2 Range

• MyLaps TR2 Speedway Transponder — for speedway oval racing
• MyLaps TR2 Car, Bike & Offroad Transponder — for circuit racing, motocross, superkart, and offroad
• MyLaps TR2 Direct Power Transponder — hardwired to vehicle battery, no charging required
• View all MyLaps Transponders →

Further Reading & Resources

• What is a MyLaps Transponder? — Complete beginner's guide
• MyLaps TR2 Subscription Guide — 2-year vs 5-year vs Go Lifetime explained
• View all MyLaps Transponders →

Why Buy from Harris Race Radios?

Harris Race Radios is an authorised MyLaps dealer for New Zealand and the country's most experienced motorsport electronics and safety equipment specialist. Rex Harris has been involved in motorsport radio and electronics since 1975 — starting at the Marlboro Series Grand Prix — and is a qualified Radio Telecommunications Engineer and Approved Radio Certifier for both NZ RSM and AU ACMA. Aaron Harris is an active racing driver and race engineer with first-in-class finishes at the Barcelona 24 Hour (2013), Bathurst 1000 and 12 Hour competitor, BMW Race Driver Series Champion (2011), and race engineer for Earl Bamber Motorsport, TekworkX, Matt Stone Racing, and Porsche Carrera Cup Australia/Asia-Pacific/NZ. Aaron is also an MSNZ Licence Examiner for helmets, racewear, FHR, and HANS devices.

We hold genuine NZ stock sourced directly through the MyLaps supply chain, for fast local dispatch. No grey imports, no waiting on international freight. Contact Aaron directly for compatibility and subscription advice: +64 27 449 9654 | aaron@harriscomms.co.nz

Frequently Asked Questions

Is this the right transponder for NZ kart racing?

If your club or series uses MyLaps timing, yes — the TR2 Kart transponder is the correct unit for kart racing. Confirm with your club timekeeper or secretary before purchasing if you're unsure which system your venue runs. Contact Aaron Harris if you need help.

Do I need a subscription to use this transponder?

Yes — MyLaps TR2 transponders require an active subscription to function at timed events. Subscriptions are purchased and managed through the Speedhive app. The unlimited warranty on the TR2 is only valid while a subscription is active. See our full subscription guide →

Can I use the same transponder across multiple karts?

Yes — the TR2 transponder is registered to your MyLaps account, not to a specific kart. You can move it between karts as needed without reprogramming.

What's the difference between the TR2 and TR2 Go?

The TR2 has an unlimited warranty during an active subscription — if it fails for any reason while your subscription is current, MyLaps replaces it at no cost. The TR2 Go has a 2-year warranty only. For regular competitors, the TR2 is the better long-term investment.

Is Harris Race Radios an authorised MyLaps dealer?

Yes — Harris Race Radios is an authorised MyLaps dealer for New Zealand, supplying genuine transponders direct through the official MyLaps supply chain. Full warranty support applies.

Do you hold NZ stock?

Yes — Harris Race Radios holds genuine NZ stock sourced through the official MyLaps supply chain, for fast local dispatch. No waiting on international freight for your next race weekend.