Overview Reviews Product Description Driven 5008-520-50T Racing Sprocket RR 520 50 Tooth Driven 5008-520-50T Product Videos Custom Field Product Reviews Write a Review Write a Review × Driven Driven 5008-520-50T Racing Sprocket RR 520 50 Tooth Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *