Wheels Mfg. SOLO-XD and SOLO-SPLINE Single Speed cogs are constructed with high-end 7075 aluminum and designed with narrow to wide alternating tooth pattern allowing for superior chain retention. Cogs are optimized for use with Wheels Mfg. SOLO-XD XD/XDR and SOLO-SPLINE Single Speed Conversion kit carrier systems only.

• Crafted with high-end 7075 aluminum for light weight and extreme durability
• Cogs are optimized for use with Wheels Mfg. SOLO-XD XD/XDR and SOLO-SPLINE Single Speed Conversion kit carrier system only
• Designed with narrow wide alternating tooth pattern allowing for superior chain retention
• Fits 9
• 10 and 11-speed chains
• Compatible with 12-speed SRAM Eagle
• KMC
• SRAM Road and SRAM T-Type Transmission flattop chains
• Will not work with 13-speed Campagnolo or 12-speed Shimano HG+ chains
• Tooth Count: 21
• Cassette Body Type: Shimano Micro Spline
• Cassette Body Type: SRAM XD
• Cassette Body Type: SRAM XDR
• Material: Aluminum
• Defined Color: Red