Vortex CAT5 428 Rear Sprocket KLX140/R/L - Black Size:52T This rear tire is a

This rear tire is a BEAST

Valve stem shaft diameter IN / EX together 4

(select from drop down)

Eliminates the 9800 rpm rev limiter and provides a hotter advance curve

TBW0721 - Cylinder

Vortex CAT5 428 Rear Sprocket KLX140/R/L - Black Size:52T This rear tire is aVortex 428 CAT5 Aluminum Rear Sprocket KLX140 R L The Vortex CAT5 Aluminum Sprockets feature a unique CNC machined design and a anodized finish that makes them look fast even when standing still. But great looks is nothing without performance to match. An aluminum sprocket is much lighter compared to OEM steel sprockets and this leads to reduced rotating mass and allows for improved acceleration and handling. Features: Stock chain pitch: 428