SRAM Red E1 Aero 48t Direct Mount Chainring Black 0° Long battery life (400+hours)

Long battery life (400+hours)

The progressive shape features drops flared by 30mm

Once heated

stabilizing heel cup that optimizes fit and foot stability

In Like-new condition

SRAM Red E1 Aero 48t Direct Mount Chainring Black 0° Long battery life (400+hours)The SRAM RED E1 Aero 48T is a direct mount chainring built around X SYNC wide narrow tooth technology, which alternates tooth profiles to keep the chain seated under load. Its aerodynamic profile suits time trial and triathlon applications, and the 48 tooth configuration pairs with SRAM RED AXS drivetrains. A laser etched finish adds surface hardness for extended service life. Machined from aluminum, the ring resists flex under sustained power output,