Overview Product Description H&R Tooth 31 Tooth 48 Pitch 1/8 Axle Crown Gear - HR-231 Product Videos Custom Field Product Reviews Write a Review Write a Review × H&R 31 Tooth Crown Gear HR231 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *