REAR SPROCKET STEEL JTR897.52SC, LIGHTWEIGHT SELF-CLEANING, SR897-52, JTR897.52, SR897-52

The next standard in MX durability and efficiency: a unique self-cleaning profile keeps the contact patch clear while trimming weight. Heat-induction hardened C45 steel lasts up to six times longer than 7075 aluminium, protecting your chain and your lap times.

Features

• Unique self-cleaning design keeps contact area clear
• Significantly reduced weight versus conventional steel rears
• Heat-induction hardened C45 steel construction
• Lasts up to 6× longer than a 7075-aluminium sprocket
• Greatly extends chain life by minimizing abrasive buildup
• Optimized tooth geometry for smooth, efficient drive

Specifications

• Material: Heat-induction hardened C45 steel
• Tooth count: 52
• Drive chain pitch: 520
• Colour: Black

Vehicle Fitment

CF Moto (Road, Rear)

• 450 MT (CF400-8) (2024)
• 450 MT (CF400-8A) (2024)
• 450 MT (CF400-8F) (2024)
• 450 MT (CF400-8H) (2025-2026)
• 800 MT (CF800-5H) (2025-2026)
• 800 MT Explore (CF800-5) (2023-2024)
• 800 MT Sport (2022-)
• 800 MT Touring (CF800-5) (2022-2023)
• 800 MT-X (CF800-11H) (2025)
• 800 NK (CF800-7FH) (2025-2026)
• 800 NK Advanced (CF800-7A) (2023-2024)
• 800 NK Sport (CF800-7) (2023-2024)

Gas Gas (Off Road, Rear)

• 125 MC (2020-2026)
• 250 EC (2020-2024)
• 250 EC F (2020-2024)
• 250 EX (2024)
• 250 EX F Cross Country (2021-2024)
• 250 MC (2022-2026)
• 250 MC F (2021-2026)
• 300 EC (2021-2026)
• 300 EX (2021-2026)
• 300 EX F Cross Country (2021-2023)
• 350 EC F (2021-2026)
• 350 ES (2024)
• 350 EX F Cross Country (2021-2024)
• 350 MC F (2022-2024)
• 450 EC F (2024)
• 450 EX F Cross Country (2021-2024)
• 450 MC F (2021-2026)
• 450 MC F Prado Edition (2025)
• 450 RX -F Replica (2024)
• 500 EC F (2024-2026)
• 500 ES (2024)
• 500 EW F (2024)
• 700 ES (2022-2024)
• 700 SM (2022-2024)

Husaberg (Off Road, Rear) 

• TE125 (2012-2013)
• FE250 (2013-2014)
• TE250 (2011-2014)
• TE300 (2011-2014)
• FC350 4 Speed (2000-2001)
• FC350 6 Speed (2000-2001)
• FE350 (2000-2001; 2013)
• FE390 Enduro (2010-2012)
• FC400 4 Speed (2000-2001)
• FC400 6 Speed (2000-2001)
• FE400 e (2000-2003)
• FC450 (2004-2006)
• FE450 e (2004-2008)
• FE450 Enduro (2009-2014)
• FX450 Cross Country (2010-2012)
• FC501 6 Speed (2000-2001)
• FE501 (2000-2001; 2013-2014)
• FC550 (2005-2008)
• FC550 6 Speed (2003-2004)
• FE550 e (2004-2008)
• FS550 e (2007)
• FE570 (2009-2012)
• FS570 Supermoto (2010-2011)
• FC600 6 Speed (2000-2001)
• FE600 (2000-2001)
• FE650 e (2003-2008)
• FS650 c (2005-2008)
• FS650 e (2003-2008)

Husqvarna (Off Road, Rear) 

• 125 TC (2014-2024)
• 125 TC Heritage (2023)
• 125 TE (2014-2017; 2025-2026)
• 125 TX (2017-2019)
• 150 TE (2017-2019; 2023-2026)
• 150 TE i (2020-2022)
• 250 FC (2014-2024)
• 250 FC Heritage (2023)
• 250 FC Rockstar Edition (2022)
• 250 FE (2014-2026)
• 250 FE CKD (2024)
• 250 FE Heritage (2023)
• 250 TC (2014-2024)
• 250 TC Heritage (2023)
• 250 TE (2014-2018; 2023-2024)
• 250 TE CKD (2024)
• 250 TE Heritage (2023)
• 250 TE i 2-Stroke (2018-2022)
• 251 FE (2014-2016)
• 300 TE (2014-2021; 2023-2026)
• 300 TE Heritage (2023)
• 300 TE I Jarvis Edition (2020)
• 300 TE i (2018-2022)
• 300 TE Pro (2024-2026)
• 300 TX (2017-2019; 2023-2026)
• 300 TX Heritage (2023)
• 300 TX i (2020-2022)
• 350 FC (2014-2024)
• 350 FC Heritage (2023)
• 350 FE (2014-2026)
• 350 FE Pro (2024-2026)
• 350 FE S (2016-2026)
• 350 FX (2017-2026)
• 350 FX Heritage (2023)
• 450 FC (2014-2024)
• 450 FC Heritage (2023)
• 450 FC Rockstar Edition (2020-2024)
• 450 FE (2014-2026)
• 450 FE Heritage (2023)
• 450 FR Rally (2016-2024)
• 450 FS (2016-2024)
• 450 FX (2017-2024)
• 501 FE (2014-2024)
• 501 FE S (2016; 2020-2024)
• 501 FE W (2024)

Husqvarna (Road, Rear)

• 701 Enduro (2017-2024)
• 701 Enduro LR (2020)
• 701 Supermoto (2016-2024)
• 701 Svartpilen (2019-2020)
• 701 Vitpilen (2018-2020)
• Norden 901 (2022-2024)
• Norden 901 Expedition (2024)

Kove (Road, Rear) 

• 450 Rally
• 450 RR
• MX450 (2024)
• 800 X Super Adventure

KTM (Off Road, Rear)

• 125 Enduro (1991-1994)
• 125 EXC Enduro (1995-2016)
• 125 EXC Factory Edition (2010)
• 125 EXC Six Days (2007-2017)
• 125 EXE Enduro (2000-2001)
• 125 LC2 Enduro (1997-1998)
• 125 MX (1991-1995)
• 125 MXC Enduro (2001-2002)
• 125 Super Moto (2001)
• 125 SX Motocross (1995-2026)
• 125 SXS (2001-2002)
• 125 XC (2021-2025)
• 125 XC-F (2025)
• 125 XC-W (2017-2019; 2025-2026)
• 125 XC-W TPI (2020)
• 144 SX (2008)
• 150 EXC (2023-2024)
• 150 EXC TPI (2020-2022)
• 150 SX Motocross (2008-2026)
• 150 XC (2010-2016)
• 150 XC-W (2017-2018; 2023-2026)
• 150 XC-W TPI (2020-2022)
• 200 EXC Enduro (1998-2016)
• 200 EXC Factory Edition (2010)
• 200 MXC Enduro (1998-2004)
• 200 SX (2002-2006)
• 200 XC (2006-2010)
• 200 XC-W (2006-2016)
• 250 Enduro (1990)
• 250 EXC Enduro (1991-2018; 2023-2024)
• 250 EXC Enduro TPI (2018-2022)
• 250 EXC Factory Edition (2010)
• 250 EXC Racing (2002-2006)
• 250 EXC Six Days (2010-2017; 2023-2024)
• 250 EXC Six Days TPI (2018-2022)
• 250 EXC-F Enduro (2007-2026)
• 250 EXC-F Factory Edition (2010)
• 250 EXC-F Six Days (2010-2026)
• 250 MX (1990-1995)
• 250 MXC Motocross (1998-2001)
• 250 SX Motocross (1995; 1997-2026)
• 250 SX-F Adamo Edition (2025)
• 250 SX-F Factory Edition (2017; 2022-2026)
• 250 SX-F Racing (2006-2026)
• 250 SX-F Racing CKD (2025-2026)
• 250 SX-F Racing Prado (2020)
• 250 SX-F Troy Lee Designs (2021)
• 250 SXS (2001)
• 250 XC (2007-2019; 2023-2026)
• 250 XC TPI (2020-2022)
• 250 XC-F (2007-2026)
• 250 XC-W (2010-2018; 2023-2026)
• 250 XC-W TPI (2018-2022)
• 250 XCF-W (2010-2016)
• 250 XCF-W Six Days (2011)
• 250 XCW-E (2008-2009)
• 250 XCW-F (2007-2010)
• 300 Enduro (1990-1995)
• 300 EXC CKD Enduro (2019-2026)
• 300 EXC Enduro (1995-2018; 2023-2026)
• 300 EXC Enduro Champion Edition (2026)
• 300 EXC Erzbergrodeo (2023)
• 300 EXC Factory Edition (2010)
• 300 EXC Hardenduro (2024-2026)
• 300 EXC Hardenduro CKD (2024)
• 300 EXC Six Days (2010-2017; 2023-2026)
• 300 EXC Six Days CKD (2024-2026)
• 300 EXC Six Days SE Asia (2024)
• 300 EXC TPI Enduro (2018-2022)
• 300 EXC TPI Erzberg Edition (2020-2022)
• 300 EXC TPI Six Days (2018-2022)
• 300 EXC-E Enduro (from Dec '07) (2007-2008)
• 300 MX (1990-1994)
• 300 MXC Motocross (2001-2005)
• 300 SX Motocross (1995-1996; 2002; 2023-2026)
• 300 XC (2015-2019; 2023-2026)
• 300 XC TPI (2020-2022)
• 300 XC-W (2010-2019; 2023-2026)
• 300 XC-W Erzbergrodeo (2023)
• 300 XC-W Hardenduro (2024-2026)
• 300 XC-W Six Days (2015-2018)
• 300 XC-W Six Days TPI (2019-2020)
• 300 XC-W TPI (2019-2022)
• 300 XC-W TPI Erzbergrodeo (2020-2022)
• 350 EXC-F (2012-2026)
• 350 EXC-F CKD (2020-2024)
• 350 EXC-F Six Days (2012-2026)
• 350 EXC-F Six Days CKD (2018; 2020-2026)
• 350 EXC-F Six Days IKD Argentina (2024-2026)
• 350 EXC-F Six Days SE Asia (2024)
• 350 EXC-F Wess (2021)
• 350 LC4 Enduro (1993-1994)
• 350 SX-F (2011-2026)
• 350 SX-F IKD Argentina (2025)
• 350 XC-F (2011-2026)
• 350 XC-F Factory Edition (2022-2026)
• 350 XC-W (2012)
• 350 XCF-W (2013-2016; 2020-2022)
• 350 XCF-W Six Days (2014-2016)
• 350 XW-F (2024)
• 360 EXC Enduro (1996-1997)
• 360 SX Motocross (1996-1997)
• 380 EXC Enduro (1998-2002)
• 380 MXC Motocross (2001-2002)
• 380 SX Motocross (1998-2002)
• 400 Duke (1995-1996)
• 400 EGS-E (1996-1998)
• 400 EXC Enduro Racing (2001-2011)
• 400 EXC Racing (2000-2002)
• 400 EXC-F Factory Edition (2010-2011)
• 400 LC4 E Enduro (1997-2001)
• 400 LC4 Enduro (1993; 1997-2001)
• 400 LSE (1997-1998)
• 400 MXC Racing (2001-2002)
• 400 SC Super Competition (1995-2000)
• 400 SX Motocross (1998)
• 400 SX Racing (1999-2002)
• 400 XC-W (2010)
• 440 MX (1994)
• 450 EXC Enduro Racing (2003-2016)
• 450 EXC Six Days (2010-2016)
• 450 EXC-F (2017-2026)
• 450 EXC-F Factory Edition (2010-2011)
• 450 EXC-F Six Days (2011; 2017-2026)
• 450 EXC-F Six Days CKD (2024)
• 450 MXC Racing (2003-2005)
• 450 Rally Replica (2015-2026)
• 450 Rally Replica Sanders Edition (2026)
• 450 RR (2014)
• 450 SMR (2004-2014; 2021-2026)
• 450 SX Motocross Racing (2003-2006)
• 450 SX-F (2007-2026)
• 450 SX-F Cairoli (2020)
• 450 SX-F CKD (2025-2026)
• 450 SX-F Factory Edition (2013-2026)
• 450 XC-F (2008-2009; 2013-2026)
• 450 XCF-W (2023-2026)
• 450 XC-W (2008-2016)
• 450 XC-W Six Days (2010-2011)
• 450 XC-W ZA (2010)
• 500 EXC (2012-2016)
• 500 EXC Six Days (2012-2016)
• 500 EXC-F (2017-2026)
• 500 EXC-F Six Days (2017-2026)
• 500 SX Motocross (1995)
• 500 XC-W (2012-2016)
• 500 XCF-W (2020-2022)
• 500 XW-F (2024)
• 505 SX-F (2007-2009)
• 505 XC-F (2008-2009)
• 505 XC-W (2008)
• 520 EXC Enduro Racing (1999-2002)
• 520 MXC Racing (2001-2002)
• 520 SX Motocross Racing (1999-2002)
• 525 EXC Enduro Racing (2003-2007)
• 525 MXC Desert Racing (2003-2005)
• 525 MXC Racing (2003-2005)
• 525 SMR (2004-2005)
• 525 SX Motocross Racing (2003-2006)
• 525 XC Desert Racing (2007)
• 530 EXC (2008-2011)
• 530 EXC Six Days (2010-2011)
• 530 EXC-F Factory Edition (2010-2011)
• 530 XC-W Six Days (2010-2011)
• 530 XC-W ZA (2010)
• 540 SXS Racing (2001-2002)
• 560 SMR (2006-2007)
• 600 LC4 Enduro (1990-1993)
• 600 LC4 MX (1990-1992)
• 620 EGS-E Adventurer (1998)
• 620 LC4 E Enduro (1997-1998)
• 620 LC4 Enduro (1994-1996)
• 620 LC4 MX (1994)
• 620 LC4 SX Motocross (1995-1998)
• 620 LSE (1997-1998)
• 620 SC Super Competition (1995-2001)
• 620 SC Supermoto (2000-2001)
• 625 LC4 SC Supermoto (2002)
• 625 LC4 Supercompetition (2002)
• 625 SMC (2004-2006)
• 625 SXC (2003-2006)
• 640 LC4 Adventurer R (1999-2007)
• 640 LC4 E Enduro (2000-2006)
• 640 LC4 Super Moto (1999-2006)
• 660 Rallye (2000-2002)
• 660 SMC (2003-2006)
• 690 Enduro (2008-2010)
• 690 Enduro R (2008-2026)

KTM (Road, Rear) 

• 620 Duke (1995-1998)
• 640 LC4 Duke II (2000-2006)
• 690 Adventure R (2026)
• 690 Duke (2008-2019)
• 690 Duke R (2010-2017)
• 690 Rally (2009-2010)
• 690 SM (2007-2009)
• 690 SM Ltd. Ed. (2010)
• 690 SM R (2008-2009)
• 690 SMC (2008-2011)
• 690 SMC R (2012-2026)
• 790 Adventure (2019-2025)
• 790 Adventure R (2019-2024)
• 790 Adventure R Rally (2020)
• 790 Duke (2018-2026)
• 790 Duke L (2018-2026)
• 890 Adventure (2021-2024)
• 890 Adventure L (2021-2022)
• 890 Adventure R (2021-2024)
• 890 Adventure R Rally (2021-2024)
• 890 Duke (2021-2022)
• 890 Duke GP (2022)
• 890 Duke L (2021)
• 890 Duke R (2020-2023)
• 890 Duke R CKD (2023)
• 890 SMT (2024-2026)
• 990 Duke (2024-2026)
• 990 Duke R (2025-2026)
• 990 RC R (2026)

Triumph (Off Road, Rear)

• TF250 C (2026)
• TF250 E (2025-2026)
• TF250 X (2024-2026)
• TF450 C (2025-2026)
• TF450 E (2025-2026)
• TF450 RC (2024-2026)
• TF450 X (2026)