Application: Suitable for Motorcycle Motorbike ATV Sport Dirt Electric Bike. H4 Headlight Headlamp Hi-Low Beam Relay Wiring Harness Kit Wire Plug HID Xenon. Motorcycle Handlebar Headlight Indicator Turn Signal Light Horn Switch Scooter.
eBay
On Off PC Power Metal Waterproof Push Button Switch 12v for Car Ignition Switches Momentary/Latching NC 5V 220V 12 16 19 22 mm
Aliexpress UK
Application: suitable for Motorcycle Motorbike ATV Sport Dirt Electric Bike Interrupteur Moto. Universal 7/8" handlebar design, can be fit on most of motorcycles. Installed in the handlebar,easy to operate.
eBay
2PCS Latching/ Momentary Push Button Switch ON ON Double Pole M12X0.75 6 Pins DPDT Foot Switches For Guitar Effects Pedal
Aliexpress UK
Features: Size:7/8'' Material：Aluminum Dual / 2 Button Microswitch Hand Control Momentary Switch Custom Switch Gear Housing Package Included: 1 pc switch Fitment: For 22mm handlebar Custom switch gear housing and dual momentary buttons for low profile custom look. For a Single M-Switch Housing for 7/8''Handlebars.
eBay
16/19/22mm 3 Triple Color RGB LED Light Mirco Switch Short Stroke Momentary Self-reset Waterproof Metal Push Button Switch Power
Aliexpress UK
Application: Suitable for Motorcycle Motorbike ATV Sport Dirt Electric Bike. Motorcycle Switch ON OFF Handlebar Kill Button Spot Light Fog Headlight LED Blue. Boot Release Switch Handle Tailgate Latch Button For Hyundai i10 2nd Gen 2013-20.
eBay
16/19/22mm Two Color Waterproof Metal Push Button Switch LED Light Momentary Latching Car Engine Switch 5V 12V 24V 220V Red Blue
Aliexpress UK
& Relay is only need if using as a starter button (I've used it on my CB750KZ without a relay and had no problems but it's advised to use one on high current circuits) If you require it to latch i.e high/low beam / indicator then you will need a relay to do this.
eBay
Push Button Switch Electric Waterproof Power 6v 12v Led Light Momentary on Off 8/10/12/16/19/22/25/30mm Micro Pressure Switches
Aliexpress UK
Designed specifically for motorcycle applications Crafted with maximum comfort and functionality in mind Buttons are IP65 protection-rated against water ingress For use with any motorcycle, in combination with a control module Fits 1" (25.4mm) or 7/8" (22.2mm) handlebars The casing is made from CNC machined billet aluminum Switch Housing Material: CNC 6063-T6 aluminum alloy The Housing Color: Black / Chrome Button Color: Black / Chrome Inner diameter: 25.4mm (1in.) and 22.2mm (7/8in.) Waterproof Ip Rating: IP65 Switch Lifespan: 200,000 times Power:120W(max) Current:10A Voltage:12V Working Mode : A:Momentary (Self-Return) Action:pressing the power to release the power, the same principle as the horn button B:Self-locking Action: click on power, and then click on the power off.
eBay
16mm 19mm 22mm Push Button Switch Momentary without Fixation Metal Aluminum Mushroom Head Switch Car Press Button Big Red Green
Aliexpress UK
1 x Motorcycle switch with wire harness. The actual color of the item may differ slightly from the pictures shown on the website due to many factors such as the brightness of your monitor and the light brightness.
eBay
Cltgxdd 10PCS Tactile Push Button Switch Car Remote Control Keys Button Touch Micro Switch Momentary SMD DIP 2*4 3*6 4*4 6*6
Aliexpress UK
Features: Size:7/8" Material：Aluminum Dual / 2 Button Microswitch Hand Control Momentary Switch Custom Switch Gear Housing Package Included: 1 pc switch Fitment: For 22mm handlebar Custom switch gear housing and dual momentary buttons for low profile custom look. For a Single M-Switch Housing for 7/8"Handlebars.
eBay
XD2PA22 CR 2 Position 2NO 22mm Joystick Switch Momentary Cross Button Switches
Aliexpress UK