All Balls Black Lower Chain Roller 34mm For TM SMX 660 2006-2007 17798 All Balls Racing Crankshaft Bearing

All Balls Racing Crankshaft Bearing Kits feature KOYO precision crank bearings and double lip seals with PTFE contact areas to tolerate dry start conditions with less crank journal wear

Pre-curved sleeves for maximum comfort and performance

Precision CNC machined from 8561-T6

shims and spacers required to rebuild 1 A-Arm

Wheel Spacer x1

All Balls Black Lower Chain Roller 34mm For TM SMX 660 2006-2007 17798 All Balls Racing Crankshaft BearingSpecifications All Balls Racing Dirt Bike & ATV Chain Rollers are a direct replacement for the OEM design. We use a triple lip sealed ball bearing for superior dirt exclusion compared to OEM bearings. Chain Rollers are model specific.