AMPD Bros Ace-X Plus+ Gen 4 Fat Tyre Electric Bike Color:DUNE Double chainrings (2x) is supported

Double chainrings (2x) is supported and requires a long cage (SGS) rear derailleur with no more than a 12t difference in front chainrings (with an 11-46t cassette)

Evolve™ bio-based frame material is lightweight and durable

Slip on a pair and head out to the bike park in confidence

The frame is made of O Matter™ material to provide strength

AMPD Bros Ace-X Plus+ Gen 4 Fat Tyre Electric Bike Color:DUNE Double chainrings (2x) is supportedAMPD Bros Ace X Plus+ Gen 4 Fat Tyre Electric Bike Shipping options (choose option at checkout once added to cart): 1. Ship to home ($150) Get your new bike delivered in a box. ATTENTION: Whilst minimal assembly is required, basic mechanical skills and proper tools are a must. If your order includes additional items, they may arrive separately from the bike. We highly recommend taking your bike to a local bicycle mechanic if you are in any doubt when