This DIY Kit has lasted me six months so far, takes me 20 miles to and from work, reaches about 34 mph. Buy the bike from Walmart, rather than Amazon though. It will be cheaper and better quality.

Here’s a link to the motor

https://www.amazon.com/AW-Electric-Bicycle-Conversion-48V1000W/dp/B00Q8JT9H2/ref=sr_1_1_sspa?crid=64NU1NGE3SA2&keywords=violamart&qid=1650292749&sprefix=%2Caps%2C113&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFJVFpKM1AzVzc2TUwmZW5jcnlwdGVkSWQ9QTA1MDQ0MTUxMFdXWEVDM1hWNkg0JmVuY3J5cHRlZEFkSWQ9QTAyMDg1NDg4R1U3T0lXNURPMU8md2lkZ2V0TmFtZT1zcF9hdGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl

Here’s a link to the battery

https://www.amazon.com/Unit-Pack-Power-Ebike-Battery/dp/B081N8TLP4/ref=sr_1_4?crid=18UMTI02WAOQL&keywords=Unit+pack+power&qid=1650292837&sprefix=unit+pack+power%2Caps%2C143&sr=8-4

Is it pretty much just one of these https://www.amazon.com/Unit-Pack-Power-Ebike-Battery/dp/B081N8TLP4/ref=sr_1_1?th=1