After you've been here for a while, you'll find there are dozens of online retailers that sell bike stuff. Price Point is just one and doesn't always have the best selection or price.
I'm not an expert but I don't think the trigger shifters you're looking at on PP will work on a road style (drop) handlebar. They're made for flat bars (mnt bike style).
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The Lord is merciful and gracious, slow to anger and abounding in steadfast love. - Psalm 103:8
I am a cyclist. I am not the fastest or the fittest. But I will get to where I'm going with a smile on my face.