SUNSTAR

The SUNSTAR 42315 front countershaft sprocket is designed for selected Kawasaki motorcycle applications. This 15-tooth sprocket uses a 525 chain size and provides a replacement solution for compatible drivetrain configurations.Manufactured from case-hardened chromoly steel, the SUNSTAR 42315 is built for strength and durability. Its...

The SUNSTAR 42716 front countershaft sprocket is manufactured from case-hardened chromoly steel for strength and durability. Its 16-tooth design is made for 525 chain applications and provides a dependable replacement option for compatible KTM motorcycles.A Parkerizing surface treatment helps resist rust and corrosion, supporting...

The SUNSTAR 42717 front countershaft sprocket is manufactured from case-hardened chromoly steel for strength and durability. Its 17-tooth design is intended for applications using a 525 chain.A Parkerizing surface treatment helps resist rust and corrosion, supporting long-term performance in demanding riding conditions. The sprocket...

The SUNSTAR 42816 Front Countershaft Sprocket is manufactured from case-hardened chromoly steel for strength and durability. Its 16-tooth design is specified for use with a 525 chain and is listed for select Kawasaki Z1000 and ZX900 Ninja ZX-9R applications.A Parkerizing surface treatment helps provide...

The SUNSTAR 43115 front countershaft sprocket is designed for specified Kawasaki motorcycle applications requiring a 15-tooth sprocket for a 525 chain. It is listed for the 2011, 2012, and 2013 Kawasaki ZX1000 Ninja 1000, as well as the 2007, 2008, 2009, 2010, 2011, 2012,...

The SUNSTAR 5-001042OR rear sprocket is made from aerospace-grade 7075-T6 aluminum to provide high strength with reduced weight. Computer-designed weight-reduction holes further minimize material while maintaining the sprocket’s performance-focused construction.Its exclusive tooth-and-valley design provides 24% more chain contact area for improved power transfer to...

The SUNSTAR 5-001138OR rear sprocket is manufactured from aerospace-grade 7075-T6 aluminum for a combination of high strength and light weight. Computer-designed weight-reduction holes help reduce weight while maintaining the sprocket’s performance-focused construction.Its exclusive tooth-and-valley design provides 24% more chain contact area to support efficient...

The SUNSTAR 5-001139OR rear sprocket is made from aerospace-grade 7075-T6 aluminum to provide high strength with reduced weight. Computer-designed weight-reduction holes further minimize material while maintaining the sprocket’s performance-focused construction.Its exclusive tooth-and-valley design provides 24% more chain contact area for efficient power transfer to...

The SUNSTAR 5-001140BK rear sprocket is made from aerospace-grade 7075-T6 aluminum to provide high strength with low weight. Computer-designed weight-reduction holes help reduce material while maintaining the sprocket’s performance-focused construction.Its exclusive tooth-and-valley design provides 24% more chain contact area for improved power transfer to...

The SUNSTAR 5-001140OR rear sprocket is manufactured from aerospace-grade 7075-T6 aluminum to provide high strength with reduced weight. Computer-designed weight-reduction holes further minimize material while maintaining the sprocket’s performance-focused construction.Its exclusive tooth-and-valley design provides 24% more chain contact area for improved power transfer to...

The SUNSTAR 5-001141BK rear sprocket is made from aerospace-grade 7075-T6 aluminum to provide high strength with reduced weight. Computer-designed weight-reduction holes help minimize additional weight, while the exclusive tooth-and-valley design provides 24% more chain contact area for efficient power transfer to the rear wheel.The...

The SUNSTAR 5-001142BK rear sprocket is designed for select Husqvarna and KTM applications requiring a 42-tooth sprocket for a 415 chain. It is made from aerospace-grade 7075-T6 aluminum to provide high strength with reduced weight. Computer-designed weight-reduction holes further minimize material while maintaining the...

The SUNSTAR 5-001142OR aluminum rear sprocket is designed for high strength and reduced weight. It is manufactured from aerospace-grade 7075-T6 aluminum and features computer-designed weight-reduction holes. The sprocket’s exclusive tooth-and-valley design provides 24% more chain contact area to support efficient power transfer to the...

The SUNSTAR 5-106035 aluminum rear sprocket is designed for high strength and reduced weight. It is manufactured from aerospace-grade 7075-T6 aluminum and includes computer-designed weight-reduction holes.Its exclusive tooth-and-valley design provides 24% more chain contact area for improved power transfer to the rear wheel. The...

The SUNSTAR 5-139047OR aluminum rear sprocket is designed for KTM 65 SX applications and features a 47-tooth configuration. It is made from aerospace-grade 7075-T6 aluminum to provide high strength with reduced weight.An exclusive tooth-and-valley design provides 24% more chain contact area, helping transfer power...

The SUNSTAR 5-139048 aluminum rear sprocket is designed for strong, lightweight performance. Made from aerospace-grade 7075-T6 aluminum, it combines high strength with computer-designed weight-reduction holes to help reduce overall sprocket weight.Its exclusive tooth-and-valley design provides 24% more chain contact area for improved power transfer...

The SUNSTAR 5-139048OR aluminum rear sprocket is designed for high strength, reduced weight, and reliable power transfer. Manufactured from aerospace-grade 7075-T6 aluminum, it incorporates computer-designed weight-reduction holes to help minimize weight while maintaining a strong construction.Its exclusive tooth-and-valley design provides 24% more chain contact...

The SUNSTAR 5-139050 aluminum rear sprocket is designed for applications using a 420 chain. It features aerospace-grade 7075-T6 aluminum for a combination of high strength and light weight, along with computer-designed weight-reduction holes to further reduce mass.Its exclusive tooth-and-valley design provides 24% more chain...

The SUNSTAR 5-139050OR aluminum rear sprocket is designed for high strength and reduced weight. Manufactured from aerospace-grade 7075-T6 aluminum, it incorporates computer-designed weight-reduction holes to help minimize unnecessary material while maintaining a performance-focused design.Its exclusive tooth-and-valley profile provides 24% more chain contact area for...

The SUNSTAR 5-142350 aluminum rear sprocket is designed for high strength and reduced weight. Constructed from aerospace-grade 7075-T6 aluminum, it features computer-designed weight reduction holes to help minimize overall weight.Its exclusive tooth-and-valley design provides 24% more chain contact area for efficient power transfer to...

The SUNSTAR 5-142351 aluminum rear sprocket is designed for high strength and reduced weight. Made from aerospace-grade 7075-T6 aluminum, it features computer-designed weight reduction holes that help minimize overall weight while maintaining a durable construction.Its exclusive tooth-and-valley design provides 24% more chain contact area...

The SUNSTAR 5-142946BK rear sprocket is made from aerospace-grade 7075-T6 aluminum to provide high strength with reduced weight. Computer-designed weight-reduction holes further minimize weight while supporting the sprocket’s performance-focused construction.Its exclusive tooth-and-valley design provides 24% more chain contact area for improved power transfer to...

The SUNSTAR 5-142947BK rear sprocket is designed for the 2018–2022 Yamaha YZ65. Made from aerospace-grade 7075-T6 aluminum, it combines high strength with light weight. Computer-designed weight-reduction holes help reduce unnecessary mass while maintaining the sprocket’s performance-focused construction.SUNSTAR’s exclusive tooth-and-valley design provides 24% more chain...