If you don't know what WPOS stands for, just buy it and you will find out. First, the instructions are on a folded small sheet of paper that requires a magnifying glass. They're mostly blueprints that are hard to read, but they're pretty easy to install. After wasting an hour I just couldn't get it to work. I held it on a bike stand and couldn't read it. waste of time. I'm sick of the cheap Chinese crap they sell at Revain. I would happily walk into a bike shop, pay twice as much and buy something that actually works. Don't waste your time.
π OTOOLIFE Mesh Fabric Nano Summer Sports Active wear Easy to Breathe Outdoor Riding Running Face Mask for Men Women, Black, 1 Count (Pack of 1), Mesh Sport Mask
3 Review
π― Gogogo Clear View 6X Magnification Laser Rangefinder for Golf/Hunting, 650/900 Yards Range, Accurate Measurement, Slope Function, Pin-Seeker, Flag-Lock & Vibration Technology
6 Review
π XAegis Tactical Eyewear: Enhance Your Outdoor Shooting Experience with 3 Interchangeable Lenses
3 Review
Stay Comfortably Protected with QueensFace Mesh Dot Breathable Outdoor Riding Running Face Mask
8 Review