Not for 20x110 Non-boost

Shell width: Suitable for any bottom bracket shells that measures 68/73mm or 83mm in width

but still flexy enough to be comfortable when walking

These were designed to solve most trailside fixes to get you back to the trailhead or next town

Each badge colour is unique to the colour of the helmet

BikeYoke Revive/Divine Lower Tube Unit - Black - 30.9mm - 213mm Back in Stock Not for 20x110 Non-boostIncludes: 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.