Spank Micro Singlespeed Conversion Kit 13t Top-Soft-Tek Precision machined anodized aluminum designed

Precision machined anodized aluminum designed to allow for easy installation removal or adjustments of the Shimano Hollowtech II Crankset compression bolt

Solid forged arms with M30 (30mm drive/28mm nondrive) aluminum spindle

} Specifically shaped to the fingers and oriented for traction in varied conditions

Its surface hardness is greater than that of most other coatings

Spank Micro Singlespeed Conversion Kit 13t Top-Soft-Tek Precision machined anodized aluminum designedConverts any 8 10sp HG splined cassette hub to a singlespeed setup Model Singlespeed Conversion Description Singlespeed Cog and Spacer Kit Hub HG (8 11sp) Teeth 13 Color Black Silver