This rear sprocket features 52 teeth and is constructed from C45 high carbon steel with a silver finish. Engineered for strength and durability, it is heat-treated, hand-finished, and sandblasted to reduce surface tension. Designed for 520 chain systems, it fits a wide range of off-road, motocross, and enduro motorcycles from GasGas, Husaberg, Husqvarna, and KTM.

Features

• Made from C45 high carbon steel for maximum strength

• Heat-treated and hand-finished for long-lasting durability

• Sandblasted to reduce surface tension

• Satin-silk silver finish

• Meets or exceeds motorcycle industry compound modification standards

Specifications

• Tooth Count: 52

• Chain Size: 520

• Material: C45 high carbon steel

• Finish: Silver

• Part Number: SR990-52_S.DR

Cross-Reference OEM Part Numbers

• JTR897.52

• JTR990.52

• PSYCHIC MX-89752

Vehicle Fitments

• GasGas MC125 2021–2023

• GasGas EC250 2020–2023

• GasGas EC250F 2020–2023

• GasGas EX250 2022–2023

• GasGas EX250F 2021–2023

• GasGas MC250 2022–2023

• GasGas MC250F 2021–2023

• GasGas EC300 2021–2023

• GasGas EC300F 2013–2015

• GasGas EX300 2021–2023

• GasGas EC350F 2021–2023

• GasGas EX350F 2021–2023

• GasGas MC350F 2022–2023

• GasGas EX450F 2021–2023

• GasGas MC450F 2021–2023

• Husaberg TE125 2013–2014

• Husaberg TE250 2012

• Husaberg TE300 2012–2014

• Husaberg FE250 2013–2014

• Husaberg FE350 2013–2014

• Husaberg FE390 2010–2012

• Husaberg FE450 2004–2008

• Husaberg FE450 2009–2013

• Husaberg FE501 2013–2015

• Husaberg FE570 2009–2012

• Husaberg 350/501/600 4-stroke 1992–1999

• Husaberg 350/400/501/600 2000–2003

• Husaberg FS550 e 2007

• Husaberg FS570 Supermoto 2010–2011

• Husqvarna 125TE 2014–2016

• Husqvarna 125TX 2017–2018

• Husqvarna 150i TE 2020–2023

• Husqvarna 250FE 2014–2023

• Husqvarna 250TE 2-stroke 2014–2018

• Husqvarna 250i TE 2018–2023

• Husqvarna 300TE 2014–2018

• Husqvarna 300i TE 2018–2023

• Husqvarna 350FE 2014–2023

• Husqvarna 450FE 2014–2023

• Husqvarna 501FE 2014–2023

• Husqvarna 125TC 2014–2023

• Husqvarna 250FC 2014–2023

• Husqvarna 250TC 2-stroke 2014–2023

• Husqvarna 300TX 2017–2018

• Husqvarna 300i TX 2020–2023

• Husqvarna 350FC 2014–2023

• Husqvarna 350FX 2017–2023

• Husqvarna 450FC 2014–2023

• Husqvarna 450FS 2018–2023

• Husqvarna 450FX 2017–2023

• KTM 125 SX 1991–2023

• KTM 144 SX 2008

• KTM 150 SX/XC 2009–2022

• KTM 200 SX 1998–2007

• KTM 200 XC/XC-W 2009–2011

• KTM 250 SX 1990–2023

• KTM 250 SX-F 2006–2023

• KTM 250 XC TPI 2021–2022

• KTM 250 XC 2023

• KTM 250 XC-F 2012–2023

• KTM 300 XC TPI 2020–2022

• KTM 300 XC 2023

• KTM 350 SX-F 2011–2023

• KTM 350 XC-F 2017–2023

• KTM 400 SX 1999–2002

• KTM 440 1994

• KTM 450 SX 2003

• KTM 450 SX-F 2004–2023

• KTM 450 XC-F 2018–2023

• KTM 500 1992–1997

• KTM 500 XC-F/XC-W 2013

• KTM 505 SX-F 2008–2009

• KTM 520/525 SX 1999–2006

• KTM 530 EXC 2008–2011

• KTM 125 EXC 2012–2016

• KTM 125 XC-W 2017–2019

• KTM 150 EXC TPI 2020–2023

• KTM 150 XC-W 2017–2019

• KTM 150 XCW 2017–2019

• KTM 150 XC-W TPI 2021–2023

• KTM 200 EXC 1998–2016

• KTM 250 EXC 1991–2017

• KTM 250 EXC TPI 2018–2023

• KTM 250 EXC SIX DAYS TPI 2022–2023

• KTM 250 EXC RACING 2002–2005

• KTM 250 EXC-F 2007–2023

• KTM 250 XC-W 2018

• KTM 250 XC-W TPI 2022–2023

• KTM 300 1990–2007

• KTM 300 EXC 2005–2017

• KTM 300 EXC TPI 2018–2023

• KTM 300 EXC / SIX DAYS 2023

• KTM 300 XC-W TPI 2020–2023

• KTM 300 XC-W 2023

• KTM 350 EXC-F 2012–2023

• KTM 350/400 4-stroke 1993–2005

• KTM 400/450/520/525 EXC 1999–2016

• KTM 450 EXC 2003–2007

• KTM 450 EXC-R 2008–2011

• KTM 450 EXC 2012–2016

• KTM 450 EXC-F 2017–2023

• KTM 450 EXC-F Six Days 2011

• KTM 450 XCW-F 2022–2023

• KTM 500 1992–1993

• KTM 500 EXC 2012–2016

• KTM 500 EXC-F 2017–2023

• KTM 530 EXC-F Factory Edition 2010–2011

• KTM 530 EXC 2008–2012

• KTM 125 EXC Factory Edition 2010

• KTM 125 EXE Enduro 2000–2001

• KTM 125 MXC Enduro 2001–2002

• KTM 125 SXS 2001–2002

• KTM 125 Super Moto 2001

• KTM 200 EXC Factory Edition 2010

• KTM 250 EXC Factory Edition 2010

• KTM 250 EXC-F Factory Edition 2010

• KTM 250 SXS 2001

• KTM 300 EXC Factory Edition 2010

• KTM 300 SX Motocross 2002

• KTM 380 MXC Motocross 2001–2002

• KTM 400 EXC-F Factory Edition 2010–2011

• KTM 540 SXS Racing 2001–2002

• KTM 660 Rallye 2000–2002

• KTM 620 Duke 1995–1998

• KTM 625 SMC 2004

• KTM 640 LC4 Duke II 2000–2003