Description

Upgrade your motorcycle´s transmission with the RENTHAL 154U-520 Ultralight Grooved rear sprocket, the ultimate choice for riders seeking a competitive edge and uncompromising performance. Renowned for its championship-winning heritage, Renthal has engineered this rear sprocket to deliver a perfect synthesis of weight reduction and exceptional durability, making it an essential upgrade for motocross, enduro, and off-road enthusiasts.
Experience a tangible improvement in your bike´s performance. The cornerstone of this sprocket is its ultralight design, which is a remarkable 66% lighter than standard steel sprockets. This significant reduction in rotating unsprung mass translates directly into faster acceleration, more responsive suspension action, and nimbler handling. By reducing the load on your suspension, your bike can maintain better traction and track more accurately over rough terrain, giving you the confidence to push your limits and lower your lap times.
Built to withstand the most grueling conditions, the Renthal Ultralight sprocket features machined self-cleaning mud grooves at the base of each tooth. This ingenious design actively works to clear mud, dirt, and grit away from the critical contact points between the chain and sprocket. This self-cleaning action prevents mud buildup, which can cause chain wear and power loss, thereby dramatically increasing the wear resistance and service life of your entire drive system. Ride harder and longer, even in the muddiest races, with a sprocket that maintains its performance.
Precision is paramount in power delivery, and this sprocket is meticulously CNC-machined from a specially enhanced 7075-T6 aluminum alloy. This advanced material is specifically formulated for the rigors of off-road riding, offering an optimal balance of high strength and minimal weight. The computer-controlled machining process guarantees a perfect tooth profile and an exact fit, ensuring maximum power transfer from the engine to the rear wheel without loss. The anodised finish not only provides a factory look but also adds an extra layer of surface hardness to resist wear and tear.
Choose the sprocket trusted by champions worldwide. Whether you are aiming for the holeshot or navigating a technical trail, the RENTHAL 154U-520 Ultralight Grooved rear sprocket provides the reliability and performance advantage you need to succeed.
Compatible models:
HONDA CR 125 R 1988-2007.
HONDA CR 250 R 1984-2007.
HONDA CR 500 R 1986-2001.
HONDA CRF 150 F 2003-2017.
HONDA CRF 230 F 2004-2017.
HONDA CRF 250 F 2019-2022.
HONDA CRF 250 R 2003-2021.
HONDA CRF 250 RX 2019-2021.
HONDA CRF 250 X 2004-2018.
HONDA CRF 450 L 2019-2020.
HONDA CRF 450 R 2002-2022.
HONDA CRF 450 RL 2021-2022.
HONDA CRF 450 RWE Works Edition 2019-2022.
HONDA CRF 450 RX 2017-2022.
HONDA CRF 450 X 2020-2021.
HONDA CRF 450 X Enduro 2005-2019.
HONDA XR 250 R 1996-2004.
HONDA XR 400 R 1996-2004.
HONDA XR 650 R 2000-2007 Silver