This is the original spare part for Bafang FM G370.250.D motor nylon gear set.One set is including 3pcs nylon gears and 3pcs bearings(1 bearing is including 1xball bearing and 2xwashers). Teeth number 18-30. Tips you want to know. About shipping,we do standard Fedex/TNT/UPS fast shipping.Handling about 5 days and ETA 7-9 days ship.For this item we do AliExpress standard shipping, delivery would be 25-30day,please leave a note if you need a 7-15days fast delivery thanks. Warranty,we do 1 year warranty for this product. This product is limited usage of Bafang FM G311.250.D,FM G320.250.V,they may not fit to other motor models and which is not our duty.Please note before purchase.

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