BikeYoke Revive/Divine Lower Tube Unit - Black - 31.6mm - 213mm YGroup_7034315538477 the Kortal helmet meets the

the Kortal helmet meets the Dutch NTA 8776 e-bike helmet standard

or pivot bolt

you can actually loosen that derailleur mounting bolt

The MIPS low friction layer allows a multi-directional movement of 10-15mm on certain angled impacts

5" insert: 1

BikeYoke Revive/Divine Lower Tube Unit - Black - 31.6mm - 213mm YGroup_7034315538477 the Kortal helmet meets theIncludes: 1 x Wiper 1 x Upper Bushing 1 x Lower Seat Post Tube This set includes a complete lower tube unit with installed bushing and wiper. 30. 9 31. 6 are compatible with each other and allows the change of diameter of your post. Fits: Revive Divine You can find a video of the tube swap here.