IRS KNUCKLE KIT 50-1068K TRX420FA/FPA 09-14 Model_Leatt 4.5 Lite & X-Flow Jersey & Pant Castle Block technology allows the

Castle Block technology allows the convex block edges to bite into the track surface

Modern bikes are built to withstand extreme conditions

Group Ride Tracker Compatible: Yes

Ultra-thin for a superior bike feel

As a result

IRS KNUCKLE KIT 50-1068K TRX420FA/FPA 09-14 Model_Leatt 4.5 Lite & X-Flow Jersey & Pant Castle Block technology allows theContains everything required to rebuild the rear knuckle. Features: Needle bearing shafts are 52100 hardened and precision ground bearing steel. Self lubricating Acetal nylon bushings for better wear and performance. All metal bushings are case hardened and plated to prevent wear and corrosion. Note: Kit contents will vary by fitment and are subject to change.