Overview Product Description Race Acetal Sheave Solid Bearing - 39mm(1-1/2") ODFeatures:High strength & durability, utilizing the self-lubricating properties of Acetal Product Videos Custom Field Product Reviews Write a Review Write a Review × Ronstan Ronstan Race Acetal Sheave - 39mm (1-1/2") OD Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *