Rennen Decimal BMX Chainring-4-Bolt 104 BCD standard seating 100% CNC 6061-T6 Alloy cones

100% CNC 6061-T6 Alloy cones

Axle Width - mm: 110

SPECIFICATIONS

The Avian Scorcher Top Load stems are CNC machined from 6061 T6 aluminum for strength and quality

Replacement 15mm conversion or 20mm bolts are sold separately

Rennen Decimal BMX Chainring-4-Bolt 104 BCD standard seating 100% CNC 6061-T6 Alloy conesRennen chainrings at J&R Bicycles are precission machined from aircraft quality 7075 T6 aluminum (83% stronger than the 6061 many brands use) Rennen chainrings are 3 16" thick and are made for the stress of the top BMX racers and conditions. Only Rennen offers a single speed specific tooth profile that is designed to last longer and keep chains on. SPECIFICATION MATERIAL: U. S. A. Made 7000 Series Aluminum and CNC machined, specifically shaped teeth