Speed laser gauge - very strong magnets - accuracy +/- 0.1 degree - also with karts with front wheel brake - re-adjustable laser housing made of aluminum - very long battery life - approx. 400 hours (AA batteries)
For aligning the rear sprocket against the front sprocket with a laser.This results in less friction and the gears will have a longer service life.Made for 428 rear sprockets.
For aligning the rear sprocket against the front sprocket with a laser.This results in less friction and the gears will have a longer service life.Made for 4mm 219 rear sprockets.