All Balls Racing Crankshaft Bearing Kit (24-1023) Model_Shinko 540 Mud / Sand Off-Road Tyre It also has a collarbone

It also has a collarbone cut-out that assists in protecting your fragile bones

Vigorously tested and manufactured with insulated fittings

Replace linkage like its OEM

Higher traction and superior grip extend the range of Bridgestone’s flagship motocross tire as much at home in soft soil as on hardened clay

All Balls Racing Crankshaft Bearing Kit (24-1023) Model_Shinko 540 Mud / Sand Off-Road Tyre It also has a collarboneContains right and left crankshaft bearings (contains outer seals for all 2 stroke engines). Either Koyo or Nachi Bearings (precision Japanese crank bearings)Reduce crank pin wear with our crank seals! Our seals are designed with a carbon fluorocarbon sealing lip to reduce "dry start" friction Quality design and construction of every All Balls piece meets the toughest standards and conditions from daily commuting to full on racing, all older bearing