Seatpost Shim 34.9 to 30.9 for GSD Gen 2If you want to allow your GSD Gen 2 seatpost to go as low as possible, this will help. The shim allows you to remove the lower half of your telescoping seat post.

Built for Tern bicycles with an inner seat tube diameter of 33

When you're done

1x8-speed Shimano Altus derailleur with trigger shifter

conveniently keyed alike with the battery

Only 40 strokes to reach 50 psi in a 20″ × 1

Rides with exceptional comfort and stability thanks to our unique technology and T-Tuned geometry

Powerful Motor for Easy Riding: The HSD has an electric motor that helps you pedal

It includes two weather-resistant lids—the lockable Cargo Lid Mini to protect your stuff from rain and prying eyes

Trolley Rack Material 1000D Nylon

Drawstring closure for a snug fit

and the bag is designed to snugly fit the NBD or other Tern 20 inch folding bikes

Suitcase not included