Overview Reviews Product Description Product Videos Custom Field d 15,8 mm Outer diameter [D] 38,1 mm B 61,5 mm Outer ring width [C] 22,1 mm I 19 mm G M16 X 1.5 mm Product Reviews Write a Review Write a Review × Z&S Track rollers KR 38.1 [Z&S] Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *