Wheels Manufacturing SOLO-SPEED Cog - 18t Fits SOLO-SPLINE SOLO-XD kits BLK CheckoutTitle=Shimano GRX ST-RX610 Shift/Brake Lever with BR-RX400 Hyd Disc Brake Caliper - Right/Rear 47 BB/Frame Interface T47 BB

Wheels Manufacturing SOLO SPEED Cog 18t Fits SOLO SPLINE SOLO XD kits BLK CheckoutTitle=Shimano GRX ST RX610 Shift Brake Lever with BR RX400 Hyd Disc Brake Caliper Right Rear 47 BB Frame Interface T47 BB 47 BB Frame Interface T47 BB Shell Width (mm) 68 BB Shell Width (mm) 70 BB Shell Width (mm) 73 BB Shell Width (mm) 76 BB Shell Width (mm) 79 BB Shell Width (mm) 83 BB Shell Width (mm) 85 BB Shell Width (mm) 86 BB Shell Width (mm) 90 BB Shell Width (mm) 92 BB Shell Width (mm) 95 BB Shell Width (mm) 100 Spindle Interface Type Shimano Hollowtech II Defined Color Black The open tread design and strong outer blocks provide stability when cornering and deliver this G One the perfect "Bite"