Overview Reviews Product Description Product Videos Custom Field Inner diameter [d] 20 mm Outer diameter [D] 52 mm Inner ring width [B] 22 mm Product Reviews Write a Review Write a Review × TOK METAL Track rollers TM 004 [TOK METAL] Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *