This kit adds 8-speeds to our Quad Kit using the Shimano Alfine hub transmission as a mid-drive. For the Terratrike Quad conversion we also sell a middrive mounting kit. Cat-4 Quad Conversions do not need a mounting kit but do require the Alfine tensioner. -
This adapter is used to mount a drive sprocket to the Alfine hub for use as a middrive. The Problem Solvers Center-Lock adaptor. No pinch bolt; mounts with included lockring.
-Made of AL-6061-T6 extruded, CNC-machined and broached -Specifically designed to adapt Center-Lock splined disc brake hubs for use with 165mm diameter standard 6-bolt disc brake rotors -Lockring included -Compatible with QR and 12mm thru-axles only