I am looking at these two and will appreciate some informed opinions? It is for my son for XCO purposes, he is going from 26er to 29er. Both small frame
https://bikehub.co.za/classifieds/item/hardtail-mountain-bikes/553081/silverback-stride-sx-29er-sx-eagle-air-fork
https://www.facebook.com/marketplace/item/5203870113025407/
Advise will be appreciated
