Reddit mentions of Motospeed V30 Wired 4000 DPI Gaming Mouse Support Macro Programming, with 6 Buttons, Adjustable RGB Backlit, 4 Adjustable DPI Mouse for PC, Laptop, Apple MacBook (Black)

You're not gonna find any better at this price point. In the sub-$20 range, it's pretty much exclusively 3050's (low-performance cheapo "gaming" sensor) with a touch of 5050's (office-grade sensors unfit for gaming or anything outside of light browsing) and cheapo laser sensors that can technically reach absurdly high DPI levels (mostly just for marketing because BIG NUMBERS = BIG PERFORMANCE YO) but are terribly inaccurate/have low malfunction speeds/tons of acceleration/lag/etc. It's pretty much all 3050's, though, which are in a completely different league from the 3090. I think there's, like, one or two 3320 mice out right now in the $20 range (EDIT: here and here, but those aren't as good as the 3090 in the first place and have very low malfunction speeds.

Basically it's just a question of whether you're on the market for a mouse in this range in the first place.

Just email support and get another free one lol. I’m on my 4th Air58 (fixed 2 broken ones and sold for 90$ each, cost me about 25 to fix) and now whenever I break one it just means time for me to profit more off them. https://www.amazon.com/Motospeed-Support-Programming-Buttons-Adjustable/dp/B01N7A67M3

^ Link to get parts for replacement and gl selling them

This mouse has the exact scroll wheel you need

It's a super easy fix. There's just a small plastic stub that broke off. You can super glue it back together, you can drill out the plastic entirely and replace it with a bit of metal (someone on here did that, the thread shouldn't be hard to find) or you can find a replacement scroll wheel on eBay/mechmarket. The owner of space-caps also plans on making replacement scroll wheels too so that's an option. The haiku part of the wheel is just rubber and can be pulled off so you can just look for a ultralight scroll wheel or there is a super cheap mouse that's like $20 on Amazon that uses the exact same scroll wheel so you could take it from that and you can replace the rubber on those wheels with the haiku one.
There are so many options

Edit:

Metal replacement thread

Mouse with the same scroll wheel

It seems that your comment contains 1 or more links that are hard to tap for mobile users.
I will extend those so they're easier for our sausage fingers to click!


Here is link number 1 - Previous text "v30"



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v30 mouse

z-88 keyboard

Save up 10 more bucks and try this combo. I use the mouse and a variation of that keyboard. For the price, they’re both decent. The keyboard has rgb lighting and a that satisfying mechanical click. It is sort of loud though lol. The mouse has some of the best rgb options I’ve seen at that price along with downloadable software and the two side buttons plus a dpi button behind the scroll wheel.

V30

https://www.amazon.com/dp/B01N7A67M3/ref=cm_sw_r_cp_api_i_GZFJDbTFFZ8DE

https://www.amazon.com/Motospeed-Support-Programming-Buttons-Adjustable/dp/B01N7A67M3/ref=sr_1_1?crid=2XZ79JJN55GR7&keywords=motospeed+v30&qid=1564537586&s=gateway&sprefix=motospeed+v30%2Caps%2C204&sr=8-1 its the same scrollwheel so eventually it'll break again.