The Dirt Tricks KTM85-50-Z-C rear sprocket is a 50-tooth, 428-chain sprocket designed for select KTM 85 SX and Husqvarna TC 85 off-road motorcycles. Manufactured by Dirt Tricks, this Chromatic zirconium sprocket combines a lightweight design with the strength and durability required for hard riding. Its minimalist profile helps keep weight comparable to aluminum while providing substantially greater wear resistance.
Dirt Tricks developed this sprocket using aerospace-grade steel knowledge, advanced heat-treatment processes, and FEA stress analysis. The zirconium coating reduces friction by up to 50 percent, improves durability, and provides a distinctive Chromatic finish. The sprocket is engineered to be approximately 2.5 times stronger than stainless steel, making it a reliable choice for motocross, trail riding, and other demanding off-road applications.
Fitment includes the 2017 Husqvarna TC 85 with 17/14 wheels and the 2004–2012 KTM 85 SX with 17/14 wheels. Verify the motorcycle year, model, wheel configuration, chain size, tooth count, and mounting pattern before installation. This Dirt Tricks rear sprocket is backed by a two-year wear guarantee, providing added confidence for riders who expect long service life from their drivetrain components.
Features:
- Construction: Chromoly steel and zirconium design engineered for strength, durability, and reduced weight.
- Tooth Count: 50-tooth rear sprocket for 428 chain applications.
- Coating: Zirconium coating reduces friction by up to 50 percent and improves wear resistance.
- Strength: Approximately 2.5 times stronger than stainless steel.
- Design: Minimalist profile provides a lightweight alternative to conventional steel sprockets.
- Guarantee: Backed by Dirt Tricks' two-year wear guarantee.
- Fitment: Fits 2017 Husqvarna TC 85 with 17/14 wheels and 2004–2012 KTM 85 SX with 17/14 wheels.
Fitment:
2004 KTM 85 SX (17/14)
2005 KTM 85 SX (17/14)
2006 KTM 85 SX (17/14)
2007 KTM 105 SX
2007 KTM 85 SX (17/14)
2008 KTM 105 SX
2008 KTM 85 SX (17/14)
2009 KTM 105 SX
2009 KTM 85 SX (17/14)
2010 KTM 105 SX
2010 KTM 85 SX (17/14)
2011 KTM 105 SX
2011 KTM 85 SX (17/14)
2012 KTM 85 SX (17/14)
2013 KTM 85 SX (17/14)
2014 KTM 85 SX (17/14)
2015 KTM 85 SX (17/14)
2016 KTM 85 SX (17/14)
2017 Husqvarna TC 85 (17/14)
2017 KTM 85 SX (17/14)
2018 Husqvarna TC 85 (17/14)
2018 KTM 85 SX (17/14)
2019 Husqvarna TC 85 (17/14)
2019 Husqvarna TC 85 (19/16)
2019 KTM 85 SX (17/14)
2020 Husqvarna TC 85 (17/14)
2020 Husqvarna TC 85 (19/16)
2020 KTM 85 SX (17/14)
2021 Gas-Gas MC 85 19/16
2021 Husqvarna TC 85 (17/14)
2021 Husqvarna TC 85 (19/16)
2021 KTM 85 SX (17/14)
2022 Gas-Gas MC 85 19/16
2022 Husqvarna TC 85 (17/14)
2022 Husqvarna TC 85 (19/16)
2022 KTM 85 SX (17/14)
2023 Gas-Gas MC 85 17/14
2023 Gas-Gas MC 85 19/16
2023 Husqvarna TC 85 (17/14)
2023 Husqvarna TC 85 (19/16)
2023 KTM 85 SX (17/14)
2024 Gas-Gas MC 85 17/14
2024 Gas-Gas MC 85 19/16
2024 Husqvarna TC 85 (17/14)
2024 Husqvarna TC 85 (19/16)
2024 KTM 85 SX (17/14)
2025 Gas-Gas MC 85 17/14
2025 Gas-Gas MC 85 19/16
2025 Husqvarna TC 85 (17/14)
2025 Husqvarna TC 85 (19/16)
2025 KTM 85 SX (17/14)
2026 Gas-Gas MC 85 17/14
2026 Gas-Gas MC 85 19/16
2026 Husqvarna TC 85 (17/14)
2026 Husqvarna TC 85 (19/16)
2026 KTM 85 SX (17/14)