Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Hubert Herr #60 Strike by Hubert Herr Sale $35.90 | / SKU 72-5855 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Hubert Herr #60 Strike Cuckoo Clock Chain Wheel. Gear diameter is 32.35 mm