ULCUS Custom Bearing UC21 Alphas Set Compatible Model 21 AlphasSKU45807976608620OverviewSet contents: Palming cup side outer diameter 8 x inner diameter 3 x thickness 4 mm, spool bearing side outer diameter 10 x inner diameter 5 x thickness 4 mmFeaturesBrandULCUSUS $13.73 US $0 SKUQuantityPrice 4580797660862 0 US $13.73 Customer reviews and ratingsBe the first to write a review of this product!