A direct-fit C49 high-carbon steel front sprocket from the world's largest sprocket maker — the standard for stock replacement on modern street, sport, and adventure bikes.
- Self-cleaning SCM420 chromoly steel and C49 carbon steel construction, induction-hardened on the tooth profile for a hard wear surface over a tough core.
- CNC-machined to OEM tooth profile so your existing chain runs without re-meshing issues.
- Available with rubber-cushion damping inserts on select fitments — same noise/vibration spec as the OE part.
- JT Sprockets is the world's largest sprocket manufacturer; produced in JT's UK and Thailand facilities to ISO-grade QC.
- Sized for OEM gearing across most road, sport, and adventure platforms.
Intended use: street, sport, sport-touring, adventure.
Fits: Hyosung GT250 Comet, Hyosung GT250 Comet FI, Hyosung GT250 R Comet, Hyosung GT250 R Comet FI, Hyosung GT250 R EFI, Hyosung GT250 R Sport, Hyosung GT250 i Naked EFI, Hyosung GV250 Aquila, Hyosung GV250 Aquila FI Classic, Hyosung GV250 EFI, Yamaha DT200 L, Yamaha TT-R230, Yamaha TT-R230 R, Yamaha TT-R230 S, Yamaha TT-R230 T1
Fitment
Yamaha: TT-R230 2005–2023 · TT-R230 R 2024 · TT-R230 S 2025 · TT-R230 T1 2026 · DT200 L 1985
Hyosung: GT250 R Sport 2004–2008 · GT250 Comet 2006–2009 · GT250 Comet FI 2010 · GT250 i Naked EFI 2011–2015 · GT250 R Comet 2009 · GT250 R Comet FI 2010 · GT250 R EFI 2011–2015 · GV250 Aquila 2004–2009 · GV250 Aquila FI Classic 2010–2015 · GV250 EFI 2011–2012
