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Rennen Threaded Chainrings

• Rennen Threaded Chainrings
• Integrated chainring bolts. Threads are machined into the chainrings so you do not have to use a chainring nut
• Decimal gearing manipulates the size of existing gearing to make it slightly harder or easier depending on your needs
• 3/16″ thick 7075-T6 Aluminum
• Single Speed specific tooth profile designed to extend tooth life