Rennen Threaded Chainring-4-Bolt 104 BCD Gear Size:38T Legendary lifetime replacement warranty

Legendary lifetime replacement warranty

EXTERNAL RIM WIDTH: 28mm

laser-etched logos

MAX PSI: 85psi on 1-1/8" and 60psi for the rest

Weight: 29

Rennen Threaded Chainring-4-Bolt 104 BCD Gear Size:38T Legendary lifetime replacement warrantyRennen takes their commitment to advancing BMX racing technology seriously and with the Rennen Threaded Chainring 4 Bolt at J&R Bicycles this is obvious. They have machined internal threads into the gears of this sprocket which eliminates the need for a chainring nut wrench and allows for more accuracy. Made from super strong 3 16in thick 7075 T6 aluminum it can handle all kinds of conditions and weighing less than most other options on the market.