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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
6mm bolts and 5mm rear nuts and will fit almost any chainring/crank combo
Black or High-Polished colors
Sealed Bearings
Factory installed half-link for a radically stronger set-up
Weight: 78g
Rennen Decimal Chainring-4-Bolt 104 BCD standard onyx 6mm bolts and 5mm rearRennen 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
US$ 211.00
US$ 87.00
US$ 17.99
