Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits BLK Mount-4 or 5x110BCD Chainring spacer for adjusting the

Chainring spacer for adjusting the chainline on inner and middle chainrings

}Shimano CUES FC-U4000-1 Crankset - 170mm 9/10/11-Speed 40t Riveted Square Taper JIS Spindle Interface Black

5mm 10-Speed 50/39/30t 110/74 Asymmetric BCD Hollowtech II Spindle Interface Gray

}Sun Ringle Duroc SD37 Expert Front Wheel - 27

Made with aloe vera green tea leaf extract tea tree oil shea butter and lavender oil

Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits BLK Mount-4 or 5x110BCD Chainring spacer for adjusting theCogs are designed with narrow wide alternating tooth pattern allowing for superior chain retention Cogs are optimized for use with Solo XD Carrier system only Will not work with 13spd Campagnolo chains or 12spd Shimano HG+ chains TECH SPECS model SOLO XD description SOLO XD replacement cog teeth 21 chain 9 12sp color black