FRONT SPROCKET JTF1590.13SC JT, Lightweight Self-Cleaning

Designed with precision self-cleaning grooves, JT front sprockets shed mud and debris to preserve bite and reduce wear. Fully heat-treated chromoly construction ensures maximum durability for riders who demand podium performance.

Features

• Special self-cleaning grooves eject mud and grit


• Premium chromoly steel, fully heat-treated


• Extended sprocket life in harsh off-road environments


• Maintains performance in wet, sandy, or muddy conditions


• Exacting tolerances for secure, precise fit


• Built for championship-level reliability

Specifications

• Material: Heat-treated SCM420 chromoly


• Tooth count: 13


• Drive chain pitch: 520


• Colour: Silver

Vehicle Fitment

Gas Gas (Off Road, Front)

• 250 EC 4T (2011-2012)


• 250 EC F 4T (2012-2015)


• 250 EC Six Days (2011-2012)


• 300 EC F (2013-2015)


• 300 EC F Six Days 4T (2012)


• 450 EC F (2013-2015)

Yamaha (Off Road, Front)

• YZ125 (2005-2026)


• YZ125 50th Anniversary Ed. (2024)


• YZ125 70th Anniversary Ed. (2026)


• YZ125 Monster Energy Ed (2025)


• YZ125 X (2020-2026)


• WR250 F (2001-2026)


• WR250 R (2008-2020)


• WR250 X (2008-2015)


• YZ250 F (2001-2026)


• YZ250 F 50th Anniversary Edition (2024)


• YZ250 F 60th Anniversary Edition (2016)


• YZ250 F 70th Anniversary Edition (2026)


• YZ250 F Monster (2021-2025)


• YZ250 FX (2015-2026)