Rennen 4 Bolt Chainring Not Threaded

Rennen 4 Bolt Chainring Not Threaded

The Rennen BMX 4-bolt chainring is machined from aircraft grade 7075-T6 aluminum in the USA by the Rennen Design Group. Built-in chainring bolt nuts eliminate the need for a chainring bolt wrench. Compatible with 8 & 9 speed chains.

Specifications: 

• Teeth: 3/32" 
• Bolt Pattern: 104mm 
• Weight: 3.8 oz