Gusset Micro 1-ER SS Kit. Micro 1-ER Convertor Micro gear Single Speed adaptor kit for 8/9 speed cassette hubs. Pair of CNC machined aluminium spacers & Deep-tooth single sprocket. Built-in offset optimises chainline. Supplied with 12 & 13T 3/32" cogs* & lockring.* Note: Cog teeth are 3/32"
- 6/7/8 Speed. Not suitable for Wide 1/8" (BMX) or narrow 5/64" (9 speed) chains.