Kinstecks 4Pcs Motorcycle Indicators Flowing Motorcycle Turn Signal Lights Motorbike Indicators Turning Indicators 12V 12Leds Bulbs For Motorcycle Motorbike Led Amber Step Rails The inner diameter is about

The inner diameter is about 5/16" (8mm)

How to use: You just need to adjust the Angle of the zipper more than 90 degrees

It provides an effective means to protect electrical systems

for your safe travel escort

Size: As Picture Shown(please check it carefully to ensure this item will fit on your bike)

Kinstecks 4Pcs Motorcycle Indicators Flowing Motorcycle Turn Signal Lights Motorbike Indicators Turning Indicators 12V 12Leds Bulbs For Motorcycle Motorbike Led Amber Step Rails The inner diameter is aboutAll kinstecks product comes with 18 months base warranty and friendly customer service. Notice: If your motorcycle came factory with LED blinkers, the indicators just plug and play; If not, a flasher or resistor is needed to make these work. Feature: High Flexible rubber stalk design, which can effectively prevent accidental falls Unique Flowing LED lighting design. 12 pcs High visible SMD LED amber light provide maximum safety Upgrade your old bike