The Hammerleds Flex4 LED Turn Signals - Universal variant with bullet connectors.
 
This pair of singles is the perfect upgrade for your bike, no matter the model!
These Flex4 signals are supplied with a 12" (300mm) harness adapter with universal bullet connectors.  Depending on your bike, may need to choose the correct Turn Signal Harness Adapters  (sold separately) compatible with your bike to get a proper plug-and-play solution or simply splice in your own connectors from the stock signals or install bullet female connectors on the bike side.
 
How to choose your turn signals: LED, 10W or 21W?
 
Replacing indicators on a bike equipped with stock incandescent bulbs is a common upgrade, but choosing the wrong wattage is the #1 cause of "hyperflash" (blinking too fast). To keep your signals flashing at the correct legal rate, use this guide to select the right version for your setup:
 
1. LED Version (High Efficiency)
LEDs draw very little power (usually 1W–2W), which doesn't provide enough resistance for a standard thermal relay to work properly.
Best for those who have already installed an Electronic LED Flasher Relay or have a bike genuinely equipped with LED signals.
LED signals are more energy efficient and put less strain on your electrical system.
 
2. 21W Version (Standard Halogen)
This is the "Plug & Play" choice for most classic Japanese dual-sports.
Best for bikes originally equipped with large, chunky factory indicators (e.g., DR650, KLR650, DR-Z400, XR650L).
The stock relay on these bikes is calibrated to "feel" a 21W load. Installing this version allows you to keep your stock relay exactly as is.
 
3. 10W Version (Compact Halogen)
Typically used for European bikes or smaller, sleeker aftermarket setups.
Best for many KTM (EXC/Adventure) and Husqvarna models, or bikes that have already been modified with a 10W-specific relay.
 
Pro Tip: When in doubt, check your current bulbs!
The wattage (10W or 21W) is almost always etched into the metal base of the bulb or moulded into the plastic of the signal lens. For most Japanese "thumpers," using a large signal (21W) is the gold standard, whereas older European bikes typically use a smaller signal (10W).
 
 
Discover the very best motorcycle turn signals for adventure and dual-sport riding!
 
100% DROP-PROOF
During a drop, the stainless steel spring allows the LED turn signal to bend freely through 360° of motion. That removes any excess force and protects the stock fairings of your motorcycle, and the turn signals themselves from being smashed or broken.
 
ULTRABRIGHT LED LIGHTS
Unlike most of the aftermarket LED turn signals that disappear in direct sunlight, these features premium quality 120° ultrabright amber LEDs. This allows us to achieve supreme daytime visibility from all viewing angles. With an impressive 308 lumen of light output (at 5.4W), Flex 4 is one of the brightest turn signals on the market. Often even brighter than your original OEM turn signals with incandescent bulbs.
 
TOUGH AND WATERPROOF
The hard anodized aluminum body is entirely sealed and IP68 rated. That means no water, mud or dust can get in. No more foggy lenses or burnt wires.
Tested under pressure of 2ATM for 24 hours and in various temperatures, these signals can withstand any environment you throw them in. Let it be a snowy mountain pass or a long stretch of open desert, with Flex 4 you are ready for that!
 
BUILT TO LAST
The FLEX4 are the only LED turn signals that fulfill all requirements of adventure and dual-sport riders and you get a 5-year warranty for added peace of mind.
 
Flex 4 Are the Ultimate LED Motorcycle Turn Signals For ADV Riding, made in Europe!