Wheels Manufacturing SOLO-XD XD/XDR Single Speed Conversion Kit - 18t For SRAM XD/XDR Freehub Red MFPN=CR4USA-101 Compound Organic Heat Sink Yes

Compound Organic Heat Sink Yes Backing Plate Material Aluminum Pad Shape Number 66 Designed for ebike Yes

The Shimano BL-MT201/BR-UR300 hydraulic disc brake and lever combo features an entry-level design for smaller hands

6 Tire Width Range 2

Shifter/Derailleur Compatibility Dura-Ace 7970 Di2 Shifter/Derailleur Compatibility Dura-Ace 9070 Di2 Shifter/Derailleur Compatibility Shimano Ultegra Di2

Wheels Manufacturing SOLO-XD XD/XDR Single Speed Conversion Kit - 18t For SRAM XD/XDR Freehub Red MFPN=CR4USA-101 Compound Organic Heat Sink YesDesigned to seamlessly transform your XD XDR hubs into a powerful singlespeed setup The Solo XD features a clever design that utilizes a base sleeve, which easily slides onto the XD XDR freehub body, mimicking the process of installing a cassette. Once the base sleeve is in place, you can effortlessly slide the spacers and cog over it, securing everything with a reliable lock ring. 7075 Aluminum carrier and cogs for durability Compatible with SRAM XD