See the link to the installation instructions below for more info

It's designed to go into frames with an internal diameter of 44mm

shims between the crank and ring get you back to an ideal 49-50mm chain line

Padding: Foam

you'll love E13's TRS+ chainguide

Hope Pro 2 EVO Fatsno Fat Bike Front 6 Bolt Disc Hub - Black - 15x142mm - 6 Bolt - Front - 32 Hole Virtual Parent See the link to theThe Pro 2 EVO Fatsno Fat Bike Front 6 Bolt Disc Hub features all the same features and design as the Pro 2 EVO with wider spacing suitable for use on fat bikes. The hub body is machined from a solid billet of 2014 T6 aluminium and features large diameter sealed stainless steel cartridge bearings for smooth running and long life. Replaceable end caps allow for easy conversion between 9mm QR, 15mm, and 20mm and all options work with 6 bolt brake rotors.