Sinz 104BCD Chainring-4-Bolt Gear Size:42T Built in return spring

Built in return spring

More importantly

Use: Rear specific with braking surface

Premium design features silver-accented knobs for a refined look and intuitive user experience

For use with 3/8" and 10mm axles

Sinz 104BCD Chainring-4-Bolt Gear Size:42T Built in return springThe Sinz 104BCD Chainring 4 Bolt is the perfect match for your Sinz Elite 2 pc crank. This sprocket is ready for you to lay down some big power on your cranks. A new sprocket will only allow the teeth to move smoothly on the chain and eliminate any unnecessary noise. Being it is so light weighted on both the bike, and the wallet it must be time to make an adjustment today or maybe get an old BMX bike back into a great riding condition? Material: 6000