Double Six 1-er Conversion Kit
Single Speed adaptor kit for 8/9 speed cassette hubs.
Pair of CNC machined aluminium spacers that look much sweeter than a bunch of washers to space out a ‘Deep-tooth’ single sprocket.
CNC Cr-Mo cogs have wide 7mm base to avoid ripping into the cassette body.
Built-in offset optimises chainline.
Supplied with 12T or 16t 5/64” cog* and lockring.
*Note: Is suitable for narrow 5/64” (9 speed) chains too.