Renthal Ultralight Rear Sprockets

5.0 out of 5 stars 2 Customer Reviews

Renthal Ultralight rear sprockets will withstand the rigors of supercross, motocross, and enduro racing. Manufactured to extremely tight tolerances, they are 66 per

Renthal Ultralight rear sprockets will withstand the rigors of supercross, motocross, and enduro racing. Manufactured to extremely tight tolerances, they are 66 percent lighter than steel, and yet incredibly durable. Renthal uses computer-aided design, high-strength specially enhanced 7075 T-6 aluminum alloy, and CNC-machining to produce sprockets that are high-strength, hard-wearing, and offer the maximum reduction of unsprung weight at the rear wheel for maximum power transfer. They've also added self-cleaning mud grooves between every tooth on both sides to prevent dirt buildup. Shouldn't you choose the sprockets

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Renthal Ultralight Rear Sprockets 121U-428-47GPBK

Sprocket, Rear, Aluminum, Silver Anodized, 47-Tooth, 428 Chain Size, Suzuki, Yamaha, Each

Part Number: REN-121U42847PBK

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Renthal Ultralight Rear Sprockets 121U-428-48GPBU

Sprocket, Rear, Aluminum, Blue Anodized, 48-Tooth, 428 Chain Size, Suzuki, Yamaha, Each

Part Number: REN-121U42848PBU

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Renthal Ultralight Rear Sprockets 121U-428-48GPSI