Quick view Wishlist TrailMaster TrailMaster Pro Series Dirt Bike TM LK140 4 stroke motor Zhongshen 140 motor $1,599.00 TrailMaster Pro Series Dirt Bike TM LK140 4 stroke motor Zhongshen 140 motor The TrailMaster Pro Series Dirt Bike TM LK140 boasts a potent Zhongshen 140cc 4-stroke motor, providing robust performance. Its Nitrogen air gas rear shock absorber with... Choose Options Compare