Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits BLK Mount-4 or 5x110BCD }Salsa EXP Saguaro Seat Bag

}Salsa EXP Saguaro Seat Bag - Black Large

Seat Tube Diameter 34

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

Available in a broad size range there’s a width to perfectly fit your needs

Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits BLK Mount-4 or 5x110BCD }Salsa EXP Saguaro Seat BagCogs 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