- Manufactured from a specially enhanced 7075 T6 aluminum alloy
- Excellent resistance to wear combined with a very high tensile strength
- Designed to withstand the rigors of Motocross and Supercross racing
- Precision CNC machining for unequaled accuracy of fit, tooth profile and concentricity
- "Ultralite" design reduces unnecessary weight while retaining maximum strength
- Aluminum (1/3 the weight of steel) reduces the power required to accelerate
- Brake unsprung revolving weight results in improved race performance
- Self-cleaning mud grooves in between each tooth
- Silver etched finish resists dirt build up
Renthal 428 Off-Road Rear Sprocket
| Specifications | |
|---|---|
| SKU | 121U-428-49-BU |
| Brand | Renthal |
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California Prop 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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Part Numbers
| SKU | MPN | Availability | In-Store Pickup | |
|---|---|---|---|---|
| Blue 49 Tooth | 121U-428-49-BU | 121U-428-49GPBU | 10+ In Stock. Ready to ship. | - |
| Silver 49 Tooth | 441U-428-49 | 441U-428-49GPSI | 10+ In Stock. Ready to ship. | - |
| Silver 48 Tooth | 441U-428-48 | 441U-428-48GPSI | 10+ In Stock. Ready to ship. | - |
| Silver 47 Tooth | 441U-428-47 | 441U-428-47GPSI | 10+ In Stock. Ready to ship. | - |
| Silver 46 Tooth | 441U-428-46 | 441U-428-46GPSI | 10+ In Stock. Ready to ship. | - |
| Blue 50 Tooth | 10-441U-428-50GPBU | 441U-428-50GPBU | 10+ In Stock. Ready to ship. | - |
| Blue 49 Tooth | 10-441U-428-49GPBU | 441U-428-49GPBU | 10+ In Stock. Ready to ship. | - |
| Blue 50 Tooth | 121U-428-50-B | 121U-428-50GPBU | 10+ In Stock. Ready to ship. | - |
| Blue 47 Tooth | 121U-428-47-BU | 121U-428-47GPBU | 10+ In Stock. Ready to ship. | - |
| Blue 48 Tooth | 10-441U-428-48GPBU | 441U-428-48GPBU | 10+ In Stock. Ready to ship. | - |
| Black 47 Tooth | 121U-428-47-BK | 121U-428-47GPBK | 10+ In Stock. Ready to ship. | - |
| Blue 47 Tooth | 10-441U-428-47GPBU | 441U-428-47GPBU | 10+ In Stock. Ready to ship. | - |
| Blue 46 Tooth | 10-441U-428-46GPBU | 441U-428-46GPBU | 10 In Stock. Ready to ship. | - |
| Blue 48 Tooth | 121U-428-48-BU | 121U-428-48GPBU | 7 In Stock. Ready to ship. | - |
| Black 48 Tooth | 121U-428-48-BK | 121U-428-48GPBK | 6 In Stock. Ready to ship. | - |
| Silver 50 Tooth | 10-441U-428-50GPSI | 441U-428-50GPSI | 3 In Stock. Ready to ship. | - |
| Silver 47 Tooth | 121U-428-47 | 121U-428-47GPSI | 2 In Stock. Ready to ship. | 2 In Stock. |
| Silver 52 Tooth | 191U-428-52 | 191U-428-52GESI | 1 In Stock. Ready to ship. | - |
| Silver 51 Tooth | 191U-428-51 | 191U-428-51GESI | Unavailable. | - |
| Silver 50 Tooth | 191U-428-50 | 191U-428-50GESI | Unavailable. | - |
| Silver 49 Tooth | 129C-428-49 | 129C-428-49GPSI | Unavailable. | - |
| Silver 50 Tooth | 121U-428-50 | 121U-428-50GPSI | Unavailable. | - |
| Black 49 Tooth | 121U-428-49-BK | 121U-428-49GPBK | Unavailable. | - |
| Silver 49 Tooth | 121U-428-49 | 121U-428-49GPSI | Unavailable. | - |
| Silver 48 Tooth | 121U-428-48 | 121U-428-48GPSI | Unavailable. | - |
| Silver 46 Tooth | 121U-428-46 | 121U-428-46GPSI | Unavailable. | - |
| Silver 53 Tooth | 10-191U-428-53GESI | 191U-428-53GESI | Unavailable. | - |

























