Silicone O-ring fits for 3mm shaft. 2.1mm thick. Set of 10.
XRAY XB4 XRAY XB4 2014 Specs XRAY XB4 2WD XRAY XB4 2015 Specs XRAY XB4 2016 Specs XRAY XB2 - Carpet Edition XRAY XB2 - Dirt Edition XRAY XB2 2017 - Carpet Edition XRAY XT2 XRAY XB4 2017 Specs XRAY XB2 2017 - Dirt Edition XRAY XB2 2018 - Carpet Edition XRAY XB4 2018 Specs