RENTHAL
Renthal Ultralight Rear Sprocket (48T) 224U-520-48GPBK - KTM / Husqvarna / GasGas / Triumph 125cc-990cc 1990-2026
Renthal Ultralight Rear Sprocket (48T) 224U-520-48GPBK - KTM / Husqvarna / GasGas / Triumph 125cc-990cc 1990-2026
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Renthal Ultralight Rear Sprocket (48T) 224U-520-48GPBK - KTM / Husqvarna / GasGas / Triumph 125cc-990cc 1990-2026
Product Description
The Renthal Ultralight Rear Sprocket is precision CNC-machined to deliver maximum power transfer with minimal unsprung weight for your high-performance off-road, adventure, dual-sport, or street machine. Built for championship-level demands, this sprocket balances ultimate weight savings with race-proven durability.
Forged from high-strength, specially enhanced 7075-T6 aluminum, this sprocket is significantly lighter than standard steel alternatives while maintaining exceptional tensile strength. The specialized tooth profile reduces friction and chain wear for smoother operation across every ride.
Top Features: Renthal Ultralight Rear Sprocket
- Precision CNC-machined construction replaces stamping for superior dimensional accuracy and strength.
- Engineered with a computer-aided ultra-light design to minimize unsprung weight and maximize power transfer.
- Manufactured from high-strength, specially enhanced 7075-T6 aluminum alloy that is 33 percent lighter than steel.
- Specialized tooth profile allows the chain to roll easily on and off for extended wear life, reduced noise, and increased efficiency.
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 |
| 1990-2008 | KTM | 300 EXC |
| 1990-2017 | KTM | 250 XC-W |
| 1991-2004 | KTM | 250 EXC |
| 1991-2011 | KTM | 125 EXC |
| 1991-2013 | KTM | 250 XC |
| 1991-2026 | KTM | 250 SX |
| 1992-1996 | KTM | 550 DXC |
| 1993-1996 | KTM | 550 MXC |
| 1994-1995 | KTM | 440 EXC |
| 1995-2016 | KTM | 300 XC |
| 1995-2026 | KTM | 300 XC-W |
| 1996-1997 | KTM | 360 SX |
| 1997-1998 | KTM | 620 LC4 |
| 1997-1999 | KTM | 620 Duke |
| 1997-2000 | KTM | 400 LC4 |
| 1998-1999 | KTM | 200 XC |
| 1998-2011 | KTM | 200 EXC |
| 1998-2016 | KTM | 200 XC-W |
| 1999 | KTM | 520 SX Racing 4-Stroke |
| 1999-2000 | KTM | 400 LC4-E |
| 1999-2002 | KTM | 400 SX / 400 SX Racing 4-Stroke / 520 EXC |
| 1999-2003 | KTM | 640 LC4 Supermoto |
| 1999-2006 | KTM | 640 Adventure R |
| 2000-2002 | KTM | 380 EXC / 520 SX / 520 EXC Racing 4-Stroke |
| 2000-2006 | KTM | 640 Duke / 640 LC4 E |
| 2000-2008 | KTM | 400 EXC / 400 EXC Racing 4-Stroke / 400 XC-W |
| 2002-2003 | KTM | 660 LC4 Rally Factory Replica |
| 2002-2022 | KTM | 250 EXC-F |
| 2002-2025 | KTM | 250 XC-F |
| 2003 | KTM | 450 SX Racing 4-Stroke / 250 EXC 4-Stroke |
| 2003-2005 | KTM | 625 SXC Adventure |
| 2003-2006 | KTM | 200 SX / 625 SXC / 525 SX / 660 SMC |
| 2003-2007 | KTM | 450 XC Racing 4-Stroke / 525 EXC |
| 2003-2008 | Husaberg | FS650E |
| 2003-2012 | KTM | 450 EXC / 450 EXC Racing 4-Stroke / 450 XC-W |
| 2003-2026 | KTM | 125 SX / 450 SX-F |
| 2004 | KTM | 660 Rally Factory Replica |
| 2005 | Husaberg | FC550 |
| 2006 | KTM | 450 SMR |
| 2006-2007 | Husaberg | FE 550 / FE450E / FE650E / FS450E / FS650C |
| 2006-2008 | Husaberg | FC 550 |
| 2006-2026 | KTM | 250 SX-F |
| 2007-2008 | KTM | 690 Supermoto |
| 2008 | KTM | 300 XC-W Six Days / 300 EXC TPI Six Days / 500 EXC-F Six Days |
| 2008-2009 | KTM | 505 SX-F / 505 XC-F / 525 EXC Racing 4-Stroke |
| 2008-2010 | KTM | 690 SMC |
| 2008-2011 | KTM | 144 SX / 530 EXC |
| 2008-2017 | KTM | 690 Duke R |
| 2008-2019 | KTM | 690 Duke |
| 2009 | KTM | 450 XC-F |
| 2009-2011 | KTM | 530 XC-W |
| 2009-2012 | Husaberg | FE570 |
| 2009-2013 | Husaberg | FE 450 E |
| 2009-2013 | KTM | 250 XCF-W |
| 2009-2022 | KTM | 150 SX |
| 2010 | Husaberg | FS570 |
| 2010-2011 | Husaberg | FX450 |
| 2010-2012 | Husaberg | FE390 |
| 2010-2014 | KTM | 150 XC |
| 2010-2020 | KTM | 690 Enduro R |
| 2010-2026 | KTM | 350 SX-F |
| 2011 | KTM | 350 XC-F |
| 2011-2015 | KTM | 500 EXC |
| 2012 | KTM | 500 XC-W |
| 2012-2014 | Husaberg | TE250 / TE300 |
| 2012-2016 | KTM | 350 XCF-W |
| 2012-2026 | KTM | 350 EXC-F |
| 2013-2014 | Husaberg | FE250 / TE125 / FE501 / FE350 |
| 2013-2017 | KTM | 690 SMC-R |
| 2014 | Husqvarna | FE 350 S / FE 501 S |
| 2014-2015 | Husqvarna | TE125 |
| 2014-2016 | Husqvarna | FE 125 / FE 300 |
| 2014-2017 | Husqvarna | FE 250 |
| 2014-2018 | Husqvarna | TE 250 / TE 300 / FE 350 |
| 2014-2020 | Husqvarna | FE501 |
| 2014-2024 | Husqvarna | FC250 / FC350 / FC450 / FE 450 |
| 2014-2025 | KTM | 500 EXC-F |
| 2014-2026 | Husqvarna | TC125 / TC250 |
| 2015 | Husqvarna | FE 501 |
| 2015-2016 | Husqvarna | FE501S |
| 2015-2018 | KTM | 450 EXC-F |
| 2016 | KTM | 250 EXC-F Six Days |
| 2016-2020 | KTM | 250 EXC-F Six Days |
| 2017 | KTM | 125 EXC Six Days |
| 2017-2018 | Husqvarna | TX 125 / FX350 |
| 2017-2019 | Husqvarna | TE 150 / TX 300 |
| 2017-2021 | Husqvarna | 701 Enduro |
| 2017-2024 | Husqvarna | 701 Supermoto / FX450 |
| 2018-2022 | KTM | 250 EXC TPI / 300 EXC TPI |
| 2018-2023 | Husqvarna | TE 250i / TE 300i |
| 2018-2024 | Husqvarna | FS450 |
| 2019-2020 | KTM | 790 Duke |
| 2019-2022 | KTM | 250 XC-W TPI / 300 XC-W TPI |
| 2020 | Husqvarna | 701 Enduro LR / FR 450 Rally |
| 2020-2021 | KTM | 790 Adventure |
| 2020-2022 | KTM | 150 EXC TPI / 300 XC TPI / 500 XCF-W |
| 2020-2023 | Husqvarna | TE 150i |
| 2020-2023 | KTM | 890 Duke R |
| 2021 | KTM | 450 Rally Replica / 790 Adventure |
| 2021-2022 | KTM | 150 XC-W TPI / 250 XC TPI / 790 Adventure R / 890 Duke |
| 2021-2024 | Gas Gas | EX 250F / EX 350F / EX 450F / EC 250F |
| 2021-2025 | KTM | 125 XC |
| 2021-2026 | Gas Gas | EC 300 / MC 125 / MC 250F / MC 450F / EX 300 |
| 2022-2024 | Gas Gas | EC 350F |
| 2022-2025 | Gas Gas | EX 250 / MC 250 / MC 350F / EC 250 |
| 2022-2025 | Husqvarna | Norden 901 |
| 2022 | Husqvarna | Enduro 701 |
| 2023 | KTM | 450 Rally Replica / 890 Adventure |
| 2023-2024 | Gas Gas | ES 700 / SM 700 |
| 2023-2025 | Husqvarna | Norden 901 Expedition |
| 2023-2026 | KTM | 300 SX |
| 2024 | KTM | 300 XC-W Hardenduro / 890 Adventure R Rally |
| 2024-2025 | Gas Gas | ES 350 / ES 500 / EC 450F |
| 2024-2025 | Husqvarna | TE300 Pro / Svartpilen 801 |
| 2025 | CFMOTO | Ibex 800 E |
| 2025 | Gas Gas | EC 125 / MC 150 / MC 300 / EC 300 GP |
| 2025 | Husqvarna | TC125 Heritage / TC150 / TC150 Heritage / TC300 / TC300 Heritage / TE300 Heritage / FE 350s Heritage / FE350S Heritage / FX350 Heritage / FE450 Heritage / FE501S Heritage / Vitpilen 801 / FS 450 |
| 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 of aluminum or steel?
A: It is precision-machined from high-strength, specially enhanced 7075-T6 aluminum, making it 33% lighter than steel.
Q: What chain pitch size is this sprocket designed for?
A: This sprocket is engineered specifically for a 520 chain size setup.
Expert Pro-Tip: Always inspect your chain and front sprocket when installing a new rear sprocket. Putting a new aluminum rear sprocket on a worn, hooked chain or countershaft sprocket will cause accelerated, uneven wear and drastically shorten component life.
Recommended Pairings:
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