AS3 Performance presents these top - notch 7075 aluminium rear sprockets. Crafted by one of the world's leading sprocket makers, they've been tested by the best riders on the world's toughest tracks. These sprockets are a game - changer, being both lightweight and super durable. They're CNC machined from high - quality 7075 - T6 aluminium. Each sprocket has self - cleaning grooves between the teeth and a smooth anodised finish with AS3 Performance branding.
**Teeth**: 51
**Compatibility**: It fits a wide range of KTM models from 1991 - 2023, including 125 SX, 125 EXC, 150 SX, 250 SX, and many more.
**Features**:
- CNC machined from high - quality 7075 - T6 aluminium.
- Engineered for maximum strength with minimum weight.
- Over 50% lighter than standard OEM steel sprockets.
- Self - cleaning grooves for better performance.
- Polished anodised finish with AS3 branding.
- Made by a world - leading sprocket manufacturer.
- Tested on tough sand tracks.
- Backed by a 12 - month warranty from a UK company.
- The sprocket you'll receive is exactly the style in the picture.

Using your AS3 aluminium rear sprocket is straightforward. Just replace your old sprocket with this one following your bike's standard replacement process. Make sure all the bolts are tightened properly to avoid any issues while riding.
When it comes to maintenance, it's a good idea to clean your sprocket regularly. You can use a mild cleaner and a soft brush to remove dirt and debris. Check the self - cleaning grooves often to ensure they're not blocked. This will help the sprocket perform at its best.
Remember, even though this sprocket is durable, it's important to inspect it for any signs of wear and tear. If you notice any significant damage, it might be time to replace it. And don't forget, your sprocket comes with a 12 - month warranty, so if you have any problems, you can reach out to the UK company that made it.