RENTHAL
Renthal Ultralight Rear Sprocket (50T, Silver) 224U-520-50GPSI - KTM / Husqvarna / GasGas / Husaberg 125cc-990cc 1990-2026
Renthal Ultralight Rear Sprocket (50T, Silver) 224U-520-50GPSI - KTM / Husqvarna / GasGas / Husaberg 125cc-990cc 1990-2026
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Renthal Ultralight Rear Sprocket (50 Tooth) 224U-520-50GPSI - KTM / Husqvarna / GasGas / Triumph / CFMOTO / Husaberg
Product Description
Upgrade your machine's final drive system with the Renthal Ultralight Rear Sprocket, engineered specifically to maximize power delivery and minimize rotational mass. Designed for serious riders, this 50-tooth silver sprocket delivers competition-proven durability without adding unnecessary weight to your rear wheel assembly.
Precision CNC-machined from specially enhanced 7075-T6 aluminum, this sprocket achieves a 33% weight reduction compared to standard steel alternatives while maintaining exceptional tensile strength. The computer-aided ultra-light design reduces unsprung weight to enhance suspension response and overall acceleration.
Top Features: Renthal Ultralight Rear Sprocket
- CNC-machined from high-strength, specially enhanced 7075-T6 aluminum for ultimate durability
- Computer-aided ultra-light weight design reduces unsprung mass to optimize power transfer
- Engineered to be 33% lighter than steel equivalents without sacrificing structural integrity
- Specialized tooth profile allows the drive chain to roll easily on and off for extended wear life
- Optimized tooth design minimizes operating noise while maximizing direct power delivery
Please review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.
Fitment List
| Year Range | Vehicle Brand | Vehicle Model & Sub-Model |
|---|---|---|
| 1990-1993 | KTM | 600 LC4 / 600 MX |
| 1990-1993 | KTM | 125 EXC |
| 1991-2011, 2014-2017 | KTM | 250 SX |
| 1991-2026 | KTM | 550 DXC |
| 1992-1996 | KTM | 550 MXC |
| 1993-1996 | KTM | 440 EXC |
| 1994-1995 | KTM | 250 XC-W |
| 1994-2004, 2009-2013, 2015-2018, 2022-2023, 2026 | KTM | 250 EXC |
| 1994-2011, 2014-2015, 2017-2019, 2023-2024 | KTM | 250 XC |
| 1994-2013, 2015-2019, 2023-2025 | KTM | 300 EXC |
| 1995-2008, 2014-2017 | KTM | 300 XC-W |
| 1995-2016, 2018, 2021-2023, 2026 | KTM | 300 XC |
| 1995-2016, 2018, 2023-2026 | KTM | 360 SX |
| 1996-1997 | KTM | 620 LC4 |
| 1997-1998 | KTM | 620 Duke |
| 1997-1999 | KTM | 400 LC4 |
| 1997-2000 | KTM | 200 XC |
| 1998-1999, 2004-2011, 2014-2016 | KTM | 200 XC-W / 380 SX |
| 1998-2002 | KTM | 250 EXC Racing 4-Stroke |
| 1998-2002, 2006-2011, 2014-2015 | KTM | 200 EXC |
| 1998-2011, 2014-2016 | KTM | 520 SX Racing 4-Stroke |
| 1999 | KTM | 400 LC4-E |
| 1999-2000 | KTM | 400 SX |
| 1999-2002 | KTM | 400 SX Racing 4-Stroke / 640 LC4 Supermoto |
| 1999-2003, 2005-2006 | KTM | 640 Adventure R |
| 1999-2006 | KTM | 520 SX |
| 2000-2002 | KTM | 380 EXC / 520 EXC / 520 EXC Racing 4-Stroke / 640 LC4 E |
| 2000-2006 | KTM | 400 EXC / 640 Duke |
| 2000-2008 | KTM | 400 EXC Racing 4-Stroke / 400 XC-W |
| 2000-2010 | KTM | 660 LC4 Rally Factory Replica |
| 2002-2003 | KTM | 250 XC-F |
| 2002-2011, 2014-2016, 2019, 2021-2025 | KTM | 250 EXC-F |
| 2002-2011, 2014-2022 | KTM | 250 EXC 4-Stroke |
| 2003-2005 | KTM | 525 SX / 625 SXC Adventure |
| 2003-2006 | KTM | 200 SX / 525 EXC / 620 SXC / 625 SXC / 660 SMC |
| 2003-2008 | KTM | 450 EXC |
| 2003-2012 | KTM | 450 EXC Racing 4-Stroke / 450 XC-W |
| 2003-2014, 2016 | KTM | 125 SX |
| 2003-2026 | KTM | 450 SX-F |
| 2004 | KTM | 660 Rally Factory Replica |
| 2005 | Husaberg | FC550 |
| 2006 | Husaberg | FC 550 |
| 2006, 2008-2014, 2022-2026 | KTM | 450 SMR |
| 2006-2007 | Husaberg | FE 550 / FE450E / FE650E / FS450E / FS650C |
| 2006-2008 | KTM | 250 SX-F |
| 2007-2008 | KTM | 690 Supermoto |
| 2008 | KTM | 300 XC-W Six Days |
| 2008-2009 | KTM | 505 SX-F / 505 XC-F / 525 EXC Racing 4-Stroke |
| 2008-2010 | KTM | 144 SX / 690 SMC |
| 2008-2011 | KTM | 530 EXC / 690 Duke R |
| 2008-2013 | KTM | 690 Duke |
| 2008-2017 | KTM | 450 EXC-R |
| 2008-2019 | KTM | 450 XC-F |
| 2009 | Husaberg | FE 450 E |
| 2009, 2013-2014, 2016, 2018, 2020-2025 | KTM | 530 XC-W |
| 2009-2011 | Husaberg | FE570 |
| 2009-2012 | Husaberg | FE570 |
| 2009-2013 | Husaberg | FE 450 E / KTM 150 SX / KTM 250 XCF-W / KTM 250 XCF-W 4-Stroke |
| 2009-2022, 2025 | KTM | 150 SX |
| 2010 | Husqvarna | 701 Enduro LR |
| 2010-2011 | Husaberg | FX450 |
| 2010-2012 | Husaberg | FE390 |
| 2010-2014 | KTM | 150 XC / 690 Enduro R |
| 2010-2020, 2023, 2026 | KTM | 690 Enduro R / 350 SX-F |
| 2010-2026 | KTM | 350 SX-F |
| 2011 | Husaberg | FS570 |
| 2011, 2013-2025 | KTM | 350 XC-F |
| 2012-2014 | Husaberg | TE250 / TE300 |
| 2012-2015 | KTM | 500 EXC |
| 2012-2016 | KTM | 350 XCF-W |
| 2012-2026 | KTM | 350 EXC-F |
| 2013 | Husaberg | TE125 |
| 2013-2014 | Husaberg | FE250 / FE501 / FE350 |
| 2013-2017, 2020-2024, 2026 | KTM | 690 SMC-R |
| 2014 | Husaberg | TE125 |
| 2014 | Husqvarna | FE 350 S / FE 501 S |
| 2014-2016 | Husqvarna | TE125 |
| 2014-2018, 2020-2022, 2024 | Husqvarna | FE 250 |
| 2014-2020, 2024-2026 | Husqvarna | FE 501 |
| 2014-2022 | Husqvarna | FE 350 / FE 501 |
| 2014-2025 | Husqvarna | FC250 / FC350 / FC450 |
| 2014-2026 | Husqvarna | TC125 / TC250 / FE 450 |
| 2015 | Husaberg | FE 501 |
| 2015-2016, 2020-2022, 2025-2026 | Husqvarna | FE501S |
| 2015-2018, 2020-2024 | KTM | 450 EXC-F |
| 2017 | KTM | 125 EXC Six Days |
| 2017-2018 | Husqvarna | TX 125 |
| 2017-2018 | KTM | 250 EXC Six Days |
| 2017-2018, 2020-2025 | Husqvarna | FX350 |
| 2017-2018, 2024 | KTM | 350 EXC-F Six Days |
| 2017-2019 | KTM | 125 XC-W |
| 2017-2019, 2023, 2026 | KTM | 150 XC-W |
| 2017-2019, 2023-2025 | Husqvarna | TX 300 |
| 2017-2019, 2024-2026 | Husqvarna | TE 150 |
| 2017-2020 | KTM | 250 EXC-F Six Days |
| 2017-2021 | Husqvarna | 701 Enduro |
| 2017-2021, 2023-2024 | Husqvarna | 701 Enduro |
| 2017-2024 | Husqvarna | 701 Supermoto / FX450 |
| 2017-2025 | KTM | 500 EXC-F |
| 2018 | KTM | 300 EXC TPI Six Days / 300 XC-W Six Days / 500 EXC-F Six Days |
| 2018-2022 | KTM | 250 EXC TPI / 300 EXC TPI |
| 2018-2023 | Husqvarna | TE 250i / TE 300i |
| 2018-2024 | Husqvarna | FS450 |
| 2019-2020, 2023 | KTM | 790 Duke |
| 2019-2022 | KTM | 250 XC-W TPI / 300 XC-W TPI |
| 2020 | Husqvarna | FR 450 Rally |
| 2020, 2023-2024 | KTM | 150 EXC |
| 2020-2021, 2023 | KTM | 790 Adventure |
| 2020-2022 | KTM | 150 EXC TPI / 300 XC TPI / 500 XCF-W |
| 2020-2023 | Husqvarna | TE 150i / TX300i |
| 2020-2023 | KTM | 890 Duke R |
| 2021 | KTM | 890 Adventure |
| 2021, 2023 | KTM | 450 Rally Replica / 890 Adventure |
| 2021, 2023-2026 | KTM | 890 Adventure R |
| 2021-2022 | KTM | 150 XC-W TPI / 250 XC TPI / 790 Adventure R / 890 Duke |
| 2021-2024 | Gas Gas | EX 450F |
| 2021-2025 | Gas Gas | EX 250F / EX 350F |
| 2021-2025 | KTM | 125 XC |
| 2021-2026 | Gas Gas | EX 300 / EC 300 / MC 125 / MC 250F / MC 450F |
| 2022 | Husqvarna | Enduro 701 |
| 2022-2024 | Gas Gas | EC 250F / EC 350F |
| 2022-2025 | Gas Gas | EC 250 / EX 250 / MC 250 / MC 350F |
| 2022-2025 | Husqvarna | Norden 901 |
| 2023 | Gas Gas | MC 450F Factory Edition |
| 2023, 2025 | Husqvarna | FC350 Heritage / TC250 Heritage |
| 2023-2024 | Gas Gas | ES 700 / SM 700 / Triumph TF 250-X |
| 2023-2025 | Husqvarna | Norden 901 Expedition |
| 2023-2026 | KTM | 300 SX / 450 XCF-W |
| 2024 | Gas Gas | EC 500F / EW 500F |
| 2024 | Husqvarna | FE 350 / FE 350 Pro |
| 2024 | KTM | 300 XC-W Hardenduro / 890 Adventure R Rally |
| 2024-2025 | Gas Gas | EC 450F / ES 350 / ES 500 |
| 2024-2025 | Husqvarna | Svartpilen 801 / TE300 Pro |
| 2025 | CFMOTO | Ibex 800 E |
| 2025 | Gas Gas | EC 125 / EC 300 GP / MC 150 / MC 300 |
| 2025 | Husqvarna | FC250 Factory Edition / FC450 Factory Edition / FE350S Heritage / FE450 Heritage / FE501S Heritage / FS 450 / TC125 Heritage / TC150 / TC150 Heritage / TC300 / TC300 Heritage / TX300 Heritage / TE300 Heritage / Vitpilen 801 |
| 2025 | Triumph | TF 250-E / TF 450-E / TF 450-RC Edition |
| 2026 | KTM | 990 Duke / 990 Duke R / 990 RC R |
Frequently Asked Questions
Q: Is this sprocket made from steel or aluminum?
A: It is precision-crafted from high-strength 7075-T6 aluminum, offering a lightweight build that is 33% lighter than comparable steel sprockets.
Q: What chain size is this rear sprocket designed for?
A: This model is built specifically for 520 chain sizes and features a 50-tooth count.
Expert Pro-Tip: Always replace your chain and sprockets together as a complete set. Putting a new aluminum rear sprocket on a worn chain will drastically accelerate wear and degrade performance.
Recommended Pairings:
At Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. We pride ourselves on great customer service, and every item ships FAST - straight to your door.
Moto-House MX - Choice of Champions - Your premier powersports source with great customer service and lightning-fast shipping straight to your door.
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