Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Purple Length-273mm }Shimano TL-FW30 N600EX Dura-Ace Z

}Shimano TL-FW30 N600EX Dura-Ace Z Freewheel Remover: Thin Wall

}RockShox BoXXer C1 Flat Upper Crown 10mm Offset (46mm total offset on 27

Color Pink Defined Color Pink Flange No Lock On No Grip Shift Specific No

S Lower EC34 Weight 88

Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Purple Length-273mm }Shimano TL-FW30 N600EX Dura-Ace ZCogs 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 purple