Overview Product Description Sonic 13 Tooth Extra Lite 64 Pitch Pinion - SON-33XL-13 Product Videos Custom Field Product Reviews Write a Review Write a Review × Sonic 13 Tooth X-Lite - SON-33XL-13 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *