Cant seem to track down that noise coming from your jackshaft? Genuine OEM Surron Gen2 Jackshaft will fix ya right up! 

Just need bearings? We have those too!

https://segronuniverse.com/products/surron-jackshaft-swingarm-bearing-kit?_pos=2&_psq=jackshaft+bearings&_ss=e&_v=1.0