| Number | Name | Brand | Fit |
|---|
| HY6-107 | Reduction Spur Gear 39T (Brushed) For HongYan HY6 | Rlaarlo | direct |
| HY6-108 | Reduction Spur Gear 53T For HongYan HY6 | Rlaarlo | direct |
| HY6-109 | Reduction Spur Gear Set For HongYan HY6, Brushed | Rlaarlo | direct |
| HY6-110 | Reduction Spur Gear Set For HongYan HY6, Brushless | Rlaarlo | direct |