Renthal 161U52048G Ultralight Grooved 48T Rear Sprocket Silver (520 Pitch) SAE and E-Mark compliant

SAE and E-Mark compliant

This set replaces 27009-86A and 27010-86A

They have to sound good too

and 3 13/16" bore applications

for rugged

Renthal 161U52048G Ultralight Grooved 48T Rear Sprocket Silver (520 Pitch) SAE and E-Mark compliantRenthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer. With Renthal's combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see