Your bike is defined by a lot of technology and precision. In order to make everything work precisely, you’ll find parts like these sleeves and special washers that keep the right distance between your bearings and sleeves to keep them covered.
The spacers and sleeves set is fitting for:
JEFFSY 27 AL 2017-2019
JEFFSY 27 CF 2017-2018
JEFFSY 29 AL 2016-2019
JEFFSY 29 CF 2016-2018