If you’re looking for the ultimate in quality and performance, this sprocket is the one for you!

» High-strength steel teeth, give long service life.
» Aluminum inner ring, to reduce unsprung weight.
» Joined together permanently with high-strength rivets
» At least three times longer service life than other aluminum rear sprockets
» 50 % lighter than a conventional steel rear sprockets

2K sprockets are exclusively produced for KTM by Supersprox. This product is protected under the following patents in Europe and USA. EU patent # EP1573234. US Patent # 7.481.729. Patent owner supersprox a.s.

Description	Model Year
450 XC 2007	2007
250 EXC-G Racing 2004	2004
300 XC-W TPI 2019	2019
250 SX 2020	2020
690 Duke 2018	2018
525 MXC G Racing 2003	2003
200 MXC 2000	2000
200 XC-W 2015	2015
300 XC-W 2010	2010
250 XC-F 2016	2016
690 Duke 2014	2014
450 SX-F 2010	2010
450 EXC 2009	2009
250 SX-F 2017	2017
350 EXC-F 2017	2017
250 XC-F 2010	2010
690 SMC 2009	2009
200 XC-W 2012	2012
690 Enduro R 2017	2017
500 XC-W 2014	2014
250 SX 2014	2014
300 XC-W Six Days 2015	2015
450 XC-G Racing 2006	2006
250 SX 2000	2000
250 SX-F 2015	2015
300 XC 2016	2016
500 EXC 2012	2012
400 EXC-G Racing 2004	2004
400 XC-W 2010	2010
525 EXC 2007	2007
500 EXC-F 2017	2017
450 SX-F 2013	2013
690 Enduro 2009	2009
690 Duke 2009	2009
250 XCF-W 2006	2006
250 XC 2017	2017
300 XC-W 2016	2016
690 Duke 2017	2017
250 SX-F 2019	2019
530 XC W 2010	2010
250 EXC-F 2018	2018
640 LC4 Adventure 2003	2003
250 XC 2011	2011
125 SX 2017	2017
250 SX-F Factory Edition 2018	2018
520 SX Racing 2000	2000
250 XCF-W 2009	2009
690 Duke 2008	2008
450 XC-W Champion Edition 2010	2010
150 XC 2015	2015
450 EXC-F Six Days 2017	2017
625 SMC 2005	2005
300 MXC 2000	2000
250 XC-W 2013	2013
690 Duke 2015	2015
450 SX-F 2014	2014
350 EXC-F 2016	2016
300 XC-W 2009	2009
250 SX-F Factory Edition 2015	2015
300 XC-W 2006	2006
250 XC-W 2014	2014
144 SX 2007	2007
150 SX 2015	2015
450 MXC G Racing 2004	2004
250 XCF-W 2016	2016
200 XC-W 2007	2007
450 SX-F Factory-Edition 2016	2016
350 XC-F 2016	2016
350 SX-F 2019	2019
250 SX-F 2010	2010
380 MXC 2000	2000
200 EXC 2004	2004
300 XC 2011	2011
250 SX-F 2020	2020
250 XC-W TPI 2019	2019
690 Duke 2009	2009
450 XC-F 2018	2018
250 XC-W 2015	2015
300 XC-W TPI 2020	2020
150 XC-W 2017	2017
250 XC-F 2013	2013
350 XCF-W Six Days 2016	2016
400 EXC-G Racing 2006	2006
690 Supermoto R 2008	2008
450 XC-F 2009	2009
250 XC-W TPI 2018	2018
300 EXC 2005	2005
350 XCF-W Six Days 2014	2014
250 SX-F 2013	2013
350 EXC-F 2013	2013
450 SX-F 2015	2015
300 MXC 2004	2004
690 Duke 2010	2010
525 EXC-G Racing 2005	2005
500 EXC 2013	2013
250 XC 2007	2007
250 SX-F 2012	2012
350 XC-F 2012	2012
150 SX 2019	2019
250 XC 2018	2018
200 XC-W 2016	2016
450 XC-W 2009	2009
150 SX 2009	2009
250 SX-F 2018	2018
300 EXC TPI 2018	2018
300 XC 2009	2009
250 SX-F 2005	2005
200 MXC 2003	2003
200 XC-W 2014	2014
640 Adventure 2005	2005
450 SX-F Factory Edition 2013	2013
300 XC 2013	2013
690 Duke 2016	2016
250 XC 2006	2006
250 XC-W 2009	2009
250 SX-F Factory Edition 2017	2017
150 SX 2016	2016
450 XC-W Six Days 2010	2010
250 XCF-W 2012	2012
250 XC-F 2015	2015
450 XC-F 2017	2017
250 XCF-W Six Days 2011	2011
200 XC 2009	2009
640 Adventure 2007	2007
250 XC 2012	2012
450 XC-W 2013	2013
350 SX-F 2020	2020
640 Adventure R 2000	2000
250 SX 2015	2015
450 EXC-F SIX DAYS 2018	2018
400 LC4-E 2000	2000
300 EXC 2004	2004
690 Duke 2017	2017
500 XC-W 2015	2015
250 XC-F 2009	2009
125 SX 2014	2014
450 XC-F 2020	2020
250 EXC TPI 2018	2018
500 EXC-F 2018	2018
250 XC-F 2008	2008
525 EXC-G Racing 2003	2003
640 LC4 Adventure 2006	2006
250 XC-W 2011	2011
350 SX-F 2015	2015
450 XC-F 2013	2013
500 EXC-F Six Days 2017	2017
690 Duke 2016	2016
200 XC-W 2008	2008
350 EXC-F 2012	2012
250 XC-W TPI 2020	2020
625 SXC 2004	2004
300 XC 2007	2007
450 EXC-G Racing 2004	2004
450 EXC-G Racing 2003	2003
144 SX 2008	2008
350 SX-F 2013	2013
250 XC 2015	2015
150 XC-W TPI 2020	2020
640 LC4 E Supermoto 2000	2000
450 XC-F 2008	2008
690 SMC 2010	2010
450 EXC-G Racing 2006	2006
150 XC 2010	2010
625 SMC 2006	2006
640 LC4 E Six Days 2000	2000
350 XCF-W 2016	2016
450 XC-W 2007	2007
640 LC4 Silber 2000	2000
250 EXC 2005	2005
525 EXC-G Racing 2004	2004
400 XC-W 2009	2009
690 Enduro R 2015	2015
500 EXC Six Days 2016	2016
640 LC4  2000	2000
450 SX-F 2012	2012
500 XC-W 2012	2012
250 SX-F 2016	2016
300 XC-W 2018	2018
125 EXC 2000	2000
300 XC-W SIX DAYS 2018	2018
690 SMC R 2019	2019
690 Duke 2015	2015
500 EXC 2015	2015
300 XC-W 2012	2012
350 XC-F 2014	2014
250 XC 2019	2019
400 XC-W 2007	2007
400 SX Racing 2000	2000
300 XC-W 2014	2014
250 SX 2019	2019
300 XC 2006	2006
525 XC G Racing  2006	2006
450 XC-F 2014	2014
380 EXC 2000	2000
500 EXC-F 2020	2020
530 EXC 2011	2011
450 EXC 2011	2011
450 MXC G Racing 2003	2003
690 ENDURO R 2018	2018
350 XC-F 2011	2011
450 XC-F 2019	2019
500 EXC 2014	2014
625 SXC 2003	2003
505 XC-F 2008	2008
350 SX-F 2016	2016
350 EXC-F 2018	2018
690 Duke 2014	2014
450 XC-W 2016	2016
300 XC 2017	2017
530 EXC 2010	2010
200 XC-W 2009	2009
690 Supermoto 2008	2008
500 EXC 2016	2016
450 XC-W 2012	2012
125 SX 2015	2015
500 XC-W 2016	2016
690 Enduro R 2011	2011
250 XC-W 2018	2018
250 XC-F 2014	2014
525 XC 2007	2007
350 EXC-F 2015	2015
450 SX-F 2018	2018
450 SX-F Factory Edition 2017	2017
350 XC-F 2018	2018
250 XC 2010	2010
300 XC-W Six Days 2014	2014
150 XC 2013	2013
350 XC-F 2019	2019
250 XC-F 2019	2019
520 EXC Racing 2000	2000
125 SX 2018	2018
300 XC TPI 2020	2020
250 MXC 2000	2000
350 XCF-W 2014	2014
450 EXC-F 2017	2017
300 XC-W Six Days 2016	2016
450 EXC Champions Edition 2010	2010
300 XC-W 2015	2015
200 XC-W 2013	2013
250 XC-W 2017	2017
530 EXC-R 2008	2008
250 XC-F 2018	2018
690 Enduro R 2012	2012
300 XC 2018	2018
250 XCF-W 2008	2008
200 XC-W 2011	2011
350 EXC-F 2014	2014
125 SX 2016	2016
350 SX-F 2017	2017
450 EXC 2007	2007
250 XCF-W 2013	2013
690 Duke 2013	2013
250 XCF-W 2014	2014
690 Supermoto 2008	2008
250 SX 2018	2018
350 SX-F 2011	2011
350 XCF-W Six Days 2015	2015
690 Enduro R 2016	2016
125 SX 2000	2000
250 XC-F 2011	2011
250 EXC Racing 2002	2003
690 Supermoto 2007	2007
530 EXC 2009	2009
525 XC W 2007	2007
530 XC W 2009	2009
450 XC-W Six Days 2011	2011
450 XC-F 2016	2016
500 EXC-F 2019	2019
150 SX 2014	2014
250 XC TPI 2020	2020
250 EXC-G Racing 2003	2003
300 XC 2015	2015
300 XC 2012	2012
450 SX-F 2009	2009
640 Duke II 2000	2000
690 Enduro R 2019	2019
690 Duke 2009	2009
300 XC-W 2017	2017
150 XC-W 2019	2019
350 EXC-F 2020	2020
250 XC-W 2008	2008
250 EXC-F 2019	2019
690 Duke 2019	2019
200 XC 2007	2007
300 MXC 2003	2003
150 SX 2017	2017
250 XC-W 2016	2016
690 Duke 2018	2018
200 EXC 2003	2003
300 XC 2019	2019
250 XC-F 2017	2017
525 EXC-G Racing 2006	2006
690 Enduro 2008	2008
350 SX-F 2014	2014
200 EXC 2000	2000
690 SMC 2008	2008
125 SX 2013	2013
400 SXC 2000	2000
250 SX 2013	2013
350 XC-F 2017	2017
50 SX Junior 2000	2000
690 Duke 2013	2013
500 XCF-W 2020	2020
250 XC 2009	2009
200 XC 2006	2006
150 XC-W 2018	2018
500 EXC-F Six Days 2020	2020
450 SX-F Factory Edition 2018	2018
450 SX-F 2016	2016
350 XC-F 2015	2015
250 XC-W 2010	2010
690 Duke 2008	2008
450 SX-F 2011	2011
350 XCF-W 2015	2015
200 EXC 2005	2005
300 XC-W Six Days 2017	2017
250 SX 2016	2016
150 SX 2013	2013
450 SX-F Factory Edition 2015	2015
250 XC 2013	2013
250 XC 2014	2014
250 XC 2016	2016
200 XC-W 2006	2006
400 EXC 2007	2007
250 EXC 2003	2003
150 SX 2010	2010
250 EXC  2004	2004
450 SX-F  Factory Replica 2012	2012
350 XCF-W 2020	2020
530 XC W Six Days 2011	2011
530 XC W Six Days 2010	2010
690 Enduro R 2010	2010
690 Enduro R 2009	2009
250 SX-F Factory Edition 2016	2016
350 XCF-W 2013	2013
150 XC 2011	2011
250 XC-W 2007	2007
150 SX 2018	2018
250 EXC 2000	2000
250 XC 2008	2008
350 XCF-W 2012	2012
400 EXC Racing 2000	2000
125 SX 2019	2019
150 XC 2014	2014
625 SMC 2004	2004
450 SX-F 2020	2020
690 Supermoto 2007	2007
530 EXC Champion Edition 2010	2010
250 XCF-W 2015	2015
450 EXC 2010	2010
400 EXC Racing 2002	2005
450 SX-F 2019	2019
525 MXC G Racing 2004	2004
150 SX 2020	2020
250 XC-F 2020	2020
200 XC 2010	2010
500 XC-W 2013	2013
250 SX-F 2011	2011
250 XC-W 2006	2006
350 SX-F 2012	2012
300 XC-W 2011	2011
300 EXC 2000	2000
350 XC-F 2013	2013
250 XC-W 2012	2012
250 XC-F 2007	2007
450 EXC-R 2008	2008
690 Enduro R 2013	2013
350 SX-F 2018	2018
300 EXC 2003	2003
300 XC-W 2013	2013
250 XCF-W Champion Edition 2010	2010
450 XC-W 2015	2015
450 SX-F Factory Edition 2014	2014
250 SX 2017	2017
300 XC 2008	2008
350 EXC-F 2019	2019
450 XCr-W 2008	2008
250 EXC-F 2017	2017
250 XC-F 2012	2012
350 XC-F 2020	2020
300 XC-W 2008	2008
250 SX-F 2009	2009
450 SX-F 2017	2017
530 XCr W  2008	2008
690 Duke 2010	2010
450 EXC-G Racing 2005	2005
300 XC-W 2007	2007
250 SX-F 2014	2014
450 EXC-F Six Days 2019	2019
450 XC-W 2014	2014
200 XC 2008	2008
150 XC 2012	2012
300 XC 2010	2010
380 SX 2000	2000
300 XC-W Six Days TPI 2020	2020
200 XC-W 2010	2010
250 XCF-W 2007	2007
450 XC-F 2015	2015
300 XC 2014	2014
640 Duke II 2000	2000