FRONT SPROCKET JTF1129.12 SS, JTF1128.12

Built from premium SCM420 chromoly, JT Steel Sprockets deliver OEM-level precision and durability. With 2,500+ fitments for motorcycles and ATVs, they offer long life, exact fit, and dependable power transfer mile after mile.

Features

• C49 high-carbon steel rears for long wear


• SCM420 chromoly steel fronts for strength and impact resistance


• Precision manufacturing for exact OEM fit


• Broad coverage with 2,500+ motorcycle & ATV applications


• Consistent power transfer and sprocket tooth profile accuracy


• Engineered for durability in street, track, and off-road use

Specifications

• Material: SCM420 chromoly


• Tooth count: 12


• Drive chain pitch: 420


• Colour: Silver

Vehicle Fitment

Bultaco (Road, Front)

• 50 Astro SM


• 50 Lobito

Derbi (Road, Front)

• 50 GPR Nude (2004-2005)


• 50 GPR R (2000-2006)


• 50 GPR Racing (2004-2005)


• 50 R-DRD Black Devil (2004-2005)


• 50 Senda R (2000-2002)


• 50 Senda R Classic (2001)


• 50 Senda R DRD (2002-2005)


• 50 Senda R Racer (2002-2003)


• 50 Senda R X-Race (2004-2005)


• 50 Senda R X-treme (2002-2005)


• 50 Senda SM Classic (1999-2002)


• 50 Senda SM DRD (2002-2005)


• 50 Senda SM Racer (2002-2003)


• 50 Senda SM X-race (2004-2005)


• 50 Senda SM X-treme (2000-2005)

Gilera (Road, Front)

• 50 GP (2002-2003)


• 50 RCR (2003-2005)


• 50 SMT (2003-2005)


• 50 Zulu (2001-2002)