09-'13 for KTM 50 SX Mini FLY RACING Rear Sprocket Aluminum 42T Org 255-331242O Option: Bias Front

Option: Bias Front

Pads have a quick break-in period so you get maximum performance fast

MPN: 3332-1682

and quicker RPM response

Comes with pre-measured acid pack

09-'13 for KTM 50 SX Mini FLY RACING Rear Sprocket Aluminum 42T Org 255-331242O Option: Bias FrontManufacturer: Fly Racing MPN: 312 42 ORG Title: Rear Sprocket Size: 42T Option: Color: Orange FLY ALUMINUM REAR SPROCKETS Anodized FIRST then CNC machined from 7075 aluminum leaves you with a trick colored sprocket with silver highlights Unique self cleaning tooth design keeps chain and sprocket free of mud and debris Light weight design reduces unnecessary weight while maintaining maximum strength Made in the USA FLY COUNTERSHAFT SPROCKETS Nickel